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Class 10 Science Chapter 10 MCQ (Multiple Choice Questions) of Light – Reflection and Refraction. Transmitted: - An object is said to transmit light if it allows light to pass through itself and such objects are transparent. Speed of light waves depends on the medium through which they pass as speed of light in air is slightly less than the speed of light in LIGHT REFRACTION OF LIGHT Complete these ray diagrams. PLEASE READ MY DISCLOSURE FOR MORE INFO. We shall try to understand in this Chapter the reflection of light by spherical mirrors and refraction of light and their application in real life situations. Refraction of light through rectangular glass slab class ten science NCERT. Revise all the concepts easily by taking help from the MCQ Questions for Class 10 Science with Answers are prepared based on the latest exam pattern. In figure 1 (a) you can see several rays of light parallel to the principal axis are falling on a convex lens. A ray of light going towards the center of curvature of convex mirror is reflected back along its own path. View Answer. However, it lies behind the mirror in case of a convex mirror as shown above in the figure 2. A ray of light through the optical centre of a lens passes without suffering any deviation. There are objects like table , chair etc. Such lenses diverge light rays as shown in Figure 1(b). All the distances are measured from the optical center of the lens. Light rays basically consist of electromagnetic waves which do not require any material medium This emergent ray is parallel to the incident ray. Principle axis: - Straight line passing through the pole and the center of curvature of a spherical mirror is called principle axis of the mirror. Speed of light in vaccum (c) = 3.8 × 10 8 ms −1 Speed of light in glass (v) = ? You can use above books for extra knowledge and practicing different questions. Class 10 Science notes on Chapter 10 Light Reflection and Refraction are also available for download in CBSE Guide website. All distances parallel to the principal axis are measured from the pole of the mirror. Convex lens converges the light rays as shown below in the figure 1(a). (i) A film formed by one drop of sassafras oil, on a horizontal surface of a flint glass block, is viewed by reflected light. This sphere has a center. Distances measured perpendicular to and above the principal axis (along + y-axis) are taken as positive. The speed of light in vacuum is 3 × 10 8 m s −1. Home; Chapter 1-5. This point is called the center of curvature of the spherical mirror. CBSE Class 10 Science Chapter 10 Light - Reflection and Refraction Notes Introduction to Light – Reflection & Refraction. Activity 10. It is represented by the letter P. The power P of a lens of focal length f is given by. Causes Of Refraction of Light Physics Class 10 Cause of Refraction : The speed of the light in different transparent substances is different. These MCQ Quiz includes almost all the intext questions as well as exercises questions also. When light enters from air to glass the speed of the light gets decreased at the junction of the two media. DISCLOSURE: THIS PAGE MAY CONTAIN AFFILIATE LINKS, MEANING I GET A COMMISSION IF YOU DECIDE TO MAKE A PURCHASE THROUGH MY LINKS, AT NO COST TO YOU. If i is the angle of incidence and r is the angle of refraction then The distances measured upward and perpendicular to the principle axis are taken as positive. This is possible only when you have the best CBSE Class 10 Science study material and a smart preparation plan. Mirrors we use on our dressing tables in our home are plane mirrors. October 10, 2016 at 12:19 pm Reply . Join Now. lamp, candle emits light of their own and thus they are known as. It is 3 × 10 8 m/s. When a light ray is incident normally to the interface of two media then there is no bending of light ray and it goes straight through the medium. → Speed of light is maximum in vaccum. Angle of incidence and angle of emergence are equal as emergent ray and incident ray are parallel to each other. This is called the, If c is the speed of light in the air and v is the speed of light in any medium then refractive index n. In the figure given above ABCD is a rectangular glass slab of thickness AD=BC=t. Wavelength of visible light waves is very small and is of the order of $$4 \times {10^{-7}}m$$ to $$8 \times {10^{ - 7}}m$$. • and when this reflected light reaches our eyes we are able to see such non luminous objects. Students can refer these Light Reflection and Refraction Class 10 MCQs Questions with … All material given in this website is a property of physicscatalyst.com and is for your personal and non-commercial use only, Gravitation NCERT Solutions Class11 physics, Trigonometry Formulas for class 11 (PDF download), Newton�s law Interesting conceptual questions, Difference between resistance and resistivity, Sign convention for reflection by spherical mirrors, Refraction through a rectangular glass slab, Reflection and Refraction Formative Assignment, Reflection and Refraction Unsolved test paper, Reflection and Refraction Short questions, Reflection and Refraction 3 Mark questions, Reflection and Refraction 5 Mark questions, Practice questions for Reflection of light(download), Oswaal CBSE Question Bank Class 10 Hindi B, English Communication Science, Social Science & Maths (Set of 5 Books), Combo Pack: Science for Class 10 () Light - Reflection and Refraction. The center of curvature of a concave mirror lies in front of it. The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane. It lies outside its reflecting surface. It is clear that the two speeds of the light are different. An optical object to be defined as prism must have at least two faces with an angle between them. → Refraction is bending of light when it enters obliquely from one transparent medium to another. The reflecting surface of a spherical mirror may be curved inwards or outwards. How does the speed of light change? If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. It is represented by the letter f. There is a relationship between the radius of curvature R, and focal length f, of a spherical mirror and is given by R=2f which means that that the principal focus of a spherical mirror lies midway between the pole and centre of curvature. Light reflection and refraction NCERT questions answer class ten science. All right reserved. Home; Chapter 1-5. Reflected:- If an object sends back light rays falling on its surface then it is said to have reflected the light, The process of sending back light rays which falls on the surface of an object is called. Our aim is to help students learn subjects like ... Sciences and.si 10th class notes science light reflection and refraction science science notes. To understand the refraction of light through a glass slab consider the figure given below which shows the refraction of light through a rectangular glass slab. Lakhmir Singh, Together with CBSE/NCERT Practice Material Chapterwise for Class 10 Science, Mastering Numericals and Objectives of Physics for Class X, On the same side of the lens as the object, Between infinity and optical center O of the lens, Light is a form of energy due to which we are able to see the objects which emits light for example objects like sun, It is similar to bouncing back of a football after colliding with a wall or any hard surface. The incident ray, the reflected ray and the normal to the mirror at the point of incidence all lie in the same plane. The refraction of light takes place on going from one medium to another because the speed of light is different in two media. Nature, position and relative size of the image formed by a convex mirror is given below in the table. Your IP: 192.138.189.190 An image is formed when the light rays coming from an object meet at a point after reflection from a mirror (or refraction from lens). ... Refraction of light can take place at boundary of . You may need to download version 2.0 now from the Chrome Web Store. The effective diameter of the circular outline of a spherical lens is called its aperture. Draw the outline of the slab with a pencil. (like solid, liquid or gas) for their propagation. Medium in which speed of light is more is called. Physics. Chemical Reaction; Acid Base Salt; Metals Non-metals; Carbon Compounds; Periodic Classification; Chapter 6-11. CBSE Guide Light Reflection and Refraction class 10 Notes. Convex mirrors are used as rear view mirrors in automobiles to see the traffic at back side as they give erect images and also highly diminished one giving the wide field view of traffic behind. LIGHT LAWS OF REFRACTION The incident ray, the refracted ray and the normal at the point of incidence all lie in the same plane. • Some examples of refraction → The bottom of swimming pool appears higher. October 9, 2016 at 11:54 … Answer: Given, refractive index of glass (n g) = 1.50. 10.1 REFLECTION OF LIGHT. A convex lens bulges outward and is thick at the center and thinner at the edges. Made by: SHREYAANS M. NAHATA PODAR INTERNATIONAL SCHOOL, JALGAON [10TH RUBY 29] 1 2. ... An object 5 cm in length is … Thanks for visiting our website. Students can practice the NCERT MCQ Questions for Class 10 Science Chapter 10 Light Reflection and Refraction with Answers Pdf free download is available here. The distances measured in the same direction as that of incident light are taken as positive. $\angle RQ{{N}_{2}}=\angle QR{{N}_{3}}=r$ and is called angle of refraction. It is the reflection of light, which enables us to see any object. This ray refracts in the glass slab and goes along QR as refracted ray (as shown in the figure) and becomes incident on face DC at point R from inside the slab. It is primarily two spherical reflecting surfaces. All the solutions of Refraction of Light - Physics explained in detail by experts to help students prepare for their CBSE exams. What is the speed of light in the glass? Refraction of light is one of the most commonly observed phenomena, but other waves like sound waves and water waves also experience refraction. This point on the principal axis is called the principal focus of the lens. Refraction is due to change in the speed of light as it enters from one transparent medium to another. Reflection of Light. (i) A ray of light passes from water to air. Login. and this happens because they reflects lights which falls on them from a luminous object like sun, lamp etc. Hence, concave mirror is used as reflector in the headlights. This change in speed of … Life Processes; ControlCoordination; Reproduction ... Refraction of ray passing through the Principal focus: A ray passing through principal focus emerges parallel to the principal axis after refraction from … For understanding about principle focus and focus length of a spherical mirror first consider the figure given below. Place a rectangular glass slab over the sheet in the middle. We all are familiar with light and its importance. Light Reflection and Refraction Class 10, Notes, Explanation, Question Answers The Chapter Includes the following topics. Images formed by Convex Mirror. In this video, you learn the Refraction of light from class 10 SSC. (a) State Snell’s law of refraction. The refractive index of medium 1 with respect to medium 2 is represented as n12. Center of curvature: - The reflecting surface of a spherical mirror forms a part of a sphere. Light is such an important... Rules to obtain Image from Convex Mirror. In case of convex mirror rays get reflected at the reflecting surface of the mirror and these reflected rays appear to come from point F on the principle axis and this point F is called principle focus of convex mirror. Refraction of Light Class 10 Notes - Lenses Soon after you have been taught about mirrors, you will be introduced to a similar concept in our Physics Notes Class 10 – lens. Laws of refraction of light: The incident ray, the refracted ray and the normal to the interface of two transparent media at the point of incidence, all lie in the same plane. Refraction of light through spherical lens class 10 science NCERT. When light ray is made to travel from one medium to another say from air to glass medium then light rays bend at the boundary between the two mediums. Whatever be the position of object in front of convex mirror, the image formed by a convex mirror is always behind the mirror, virtual, erect and smaller than the object. I like it. Magnification produced by a lens is also related to the object-distance u, and the image-distance v and is given by, The power of a lens is defined as the reciprocal of its focal length. Ray diagram helps us to study the nature, position and relative size of the image formed by lenses. We know about light and also know that light travels in a straight line path in a medium or two different mediums with same density. Hence incident and emergent rays are parallel. Light Refraction of Light Through a Prism: Prism is a transparent optical element which refracts light. A film of the same oil on crown glass appears dark as its outer margin. xYz. The distance between the pole and the principal focus of a spherical mirror is called the focal length. These laws of reflection are applicable to all types of reflecting surfaces including spherical surfaces. These rays, after refraction from the lens, are appearing to diverge from a point on the principal axis. Get notes for class 10 science Chapter 10 Light - Reflection and Refraction. Power of a convex lens is positive and that of a concave lens is negative. We know that n g = c/v Or, n g = 3.8 × 10 8 ms −1 ÷ v If we now observe the reflected rays we see that they are all intersecting at a point F on the principal axis of the mirror. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. If the light moving in a straight line … Law #1 15. A lens has two principal foci. Now a question arises what happens when light travels from one medium to another with different densities for example from air to glass. Light - Reflection and Refraction. Experiments show that refraction of light occurs according to certain laws. A highly polished surface, such as a mirror, reflects most of the light falling on it. Refraction. Reflection: The bouncing back of rays of light from a polished and shiny surface is called reflection or reflection of light. (a) Images formed by mirrors are always virtual and erect. It means that incident ray and emergent ray makes equal angles with parallel normal ${{N}_{1}}Q{{N}_{2}}$ and ${{N}_{3}}R{{N}_{4}}$ . Aperture of the mirror: - Portion of the mirror from which reflection of light actually takes place is called the aperture of the mirror. Light is a form of energy that enables us to see things. LIGHT REFRACTION OF LIGHT Complete these ray diagrams. It has a triangular base and rectangular sides. It can also be just one plane surface as well. It is the 6th chapter from science 1 of Maharashtra state board. A concave lens will always give a virtual, erect and diminished image, irrespective of the position of the object. It is represented by the letter C. Please note that the center of curvature is not a part of the mirror. LEARNING APP; ANSWR; CODR; XPLOR; SCHOOL OS; answr. air water glass air 14. Given below are the links of some of the reference books for class 10 Science. All the distances measured to the right of the origin (along + x-axis) are taken as positive while those measured to the left of the origin (along - x-axis) are taken as negative. Home; Chapter 1-5. 10.3.1 Refraction through a Rectangular Glass Slab. The central point of a lens is its optical centre. We can place the object at following places, Between focus F and center of curvature C, At far off distances called infinity and cannot be shown in the figures, Image formation by a concave mirror for different positions of the object is shown below in the table. • This happens because the light; entering from air (rarer medium) into water (denser medium); bends towards normal to the incident which makes the appearance of pencil or stick as bent. The SI unit of power of a lens is ‘diopter’. CBSE guide notes are the comprehensive notes which covers the latest syllabus of CBSE and NCERT. For drawing ray diagrams we first consider how light rays falling on both concave and convex lens in three different ways get refracted. Filed Under: Class 10, Light-Reflection and Refraction Tagged With: cause of refraction of light, laws of refraction, optical density, refraction About Mrs Shilpi Nagpal Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. Please enable Cookies and reload the page. For example speed of light in air is 3×10⁸ m/s and that of in glass is 2×10⁸ m/s. Learn the concepts of Class 10 Physics Light - Reflection and Refraction with Videos and Stories. Triangular prism is the most common type of prism. air glass glass water 13. Tanya. NCERT Book Class 10 Science Chapter 10 Light – Reflection and Refraction Light enters from air to glass having refractive index 1.50. Refraction makes it possible for us to have optical instruments such as magnifying glasses, lenses and prisms. Secondly consider the case for concave lens, The ray diagrams for the image formation in a convex lens for a few positions of the object are summarized below in the table, The ray diagrams for the image formation in a concave lens for a few positions of the object are summarized below in the table. Letter F is usually used to represent principal focus. Similarly in figure 1 (b) several rays of light parallel to the principal axis are falling on a concave lens. The refractive index is related to an important physical quantity that is relative speed of propagation of light in different media as light propagates with different speeds in different media. Figure :- Refraction of light through rectangular glass slab. October 12, 2016 at 9:59 am Reply . © 2007-2019 . ... CBSE Previous Year Question Papers Class 10 Science; CBSE Previous Year Question Papers Class 12 Physics; CBSE Previous Year … Find detailed explanation to all concepts of light for class 10. Light starts... Laws of Reflection. Scroll down for Light – Reflection and Refraction from NCERT Book Class 10 Science Book & important study material. Lens Formula gives the relationship between object distance (u), image image-distance (v) and the focal length (f ) and is expressed as. Another way to prevent getting this page in the future is to use Privacy Pass. The nature, position and size of the image formed by a concave mirror depend on the position of the object in relation to points P, F and C. The image formed can be real as well as virtual depending on the positions of the object. The distances measured downwards and perpendicular to principle axis is taken as negative. Image formation by a convex lens for different positions of the object is shown below in the table, Nature, position and relative size of the image formed by a concave lens for various positions of the object is given below in the table. Distances measured perpendicular to and below the principal axis (along -y-axis) are taken as negative. It is denoted by the letter D. 1 diopter is the power of a lens whose focal length is 1 meter so, $$1D=1m^{–1}$$. Now on entering the glass medium this ray bends towards the normal NN’ that is light ray, After getting refracted this ray now travels through the glass slab and at point, Emergent ray is parallel to incident ray because the extent of bending of the ray of light at the opposite parallel faces which are. (ii) Which colour of … The object is always placed to the left of the mirror. The image is either magnified, reduced or has the same size, depending on the position of the object. Now the ray emerges or comes out of the slab along RS making $\angle SR{{N}_{4}}=e$ , called the angle of emergence. In order to construct a ray diagram to find out the position, nature and size of image formed by convex mirror we should remember following path of rays of light. Lakhmir Singh and Manjit Kaur Solutions for Class 10 Physics CBSE, 5 Refraction of Light. Silver metal is one of the best reflectors of light. (b) When a ray of light travelling in air enters obliquely into a glass … So, the bending of light when it passes from one medium to another is called. According to new CBSE Exam Pattern, MCQ Questions for Class 10 Science pdf Carries 20 Marks. The centers of these spheres are called centers of curvature of the lens usually represented by the letter C. Since there are two centers of curvature, we may represent them as C. An imaginary straight line passing through the two centers of curvature of a lens is called its principal axis as shown in figure 1. A lens, whether it is a convex lens or a concave lens, has two spherical surfaces which form a part of a sphere. Also after the chapter you can get links to Class 10 Science Notes, NCERT Solutions, Important Question, Practice Papers, etc. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Physics. The distances measured against the direction of incident light are taken as negative. Reflection is one of the unique properties of light. The index of refraction of flint glass is 1.66 and the index of refraction of crown glass is 1.52. vacuum $$8 \times {10^{ 8}}m/s$$ same way speed of light in water and glass is much less than that in air. A ray PQ is incident on it an face AB at point Q, making an angle $PQN_1=i$, called angle of incidence. 10th. Class 10. It is usually represented by the letter O. These rays, after refraction from the lens, are converging to a point on the principal axis. A ray of light parallel to the principle axis of a convex mirror appears to be coming from its focus after reflection from the mirror. Some common phenomena of Refraction: Bending of pencil when placed in a glass with water: When a pencil or stick is kept in a beaker or a glass filled with water, the stick appears slightly bent. The type of image formed by a concave mirror depends on the position of the object kept in front of the mirror. It is given by, If medium 1 is vacuum or air, then the refractive index of medium 2 is considered with respect to vacuum. To score better and clear the doubts in Chapter 10 of 10th standard science, MCQs plays an effective role. … Concepts covered in Science and Technology Part 1 10th Standard SSC Maharashtra State Board chapter 6 Refraction of light are Refraction of Light, Laws of Refraction, Refractive Index, Twinkling of Stars, Dispersion of Light, Partial and Total Internal Reflection. To trace the path of a ray of light passing through a rectangular glass slab for different angles of incidence. which are not luminous objects and still we are able to see them Commonly used terms about Spherical mirrors :-. The change of direction of light because of change of medium is known as Refraction or Refraction of Light. This point on the principal axis is called the principal focus of the concave lens. It includes all the topics given in NCERT class 10 Science text book. A Spherical lens is a piece of transparent glass bound by two spherical surfaces. Convex mirrors have its focus and center of curvature behind it and no light can go behind the convex mirror and all the rays that we show behind the convex mirror are virtual and no ray actually passes through the focus and center of curvature of the convex mirror. Refraction. CHAPTER - 10 LIGHT : REFLECTION AND REFRACTION Class :- X Subject :- Science Name of Teacher :- Mr. V. K. Pathak (PGT Physics) School :- KV RRL Jorhat, Assam * Radius of curvature: - The radius of the sphere of which the reflecting surface of a spherical mirror forms a part, is called the radius of curvature of the mirror. Large concave mirrors are used in field of solar energy to focus sun rays on objects to be heated. To understand the phenomenon of refraction of light through a glass slab, let us do an Activity. Candidates who are ambitious to qualify the Class 10 with good score can check this article for Notes. When a source of light is kept at focus of a concave mirror, the reflected rays form a parallel beam of light and go to infinity. CBSE Class 10 Science Notes Chapter 10 Light Reflection and Refraction Pdf free download is part of Class 10 Science Notes for Quick Revision. Easy 2 undrstnd... keyur. This implies that the light from the object falls on the mirror from the left-hand side. Class 10 Science Light (Reflection and Refraction) – Get here the Notes for Class 10 Science Light (Reflection and Refraction). Lenses form images by refraction of light and type of image formation depends on the position of the object in front of the lens. This consists of 1 mark Questions, 3 Mark Numericals Questions, 5 Marks Numerical Questions and previous year questions from Light Reflection and Refraction Chapter. It is represented by the letter R. Pole: - The center of a spherical mirror is called its pole and is represented by letter P as can be seen in figure 2. From figure 3a we see that a number of rays parallel to the principal axis are falling on a concave mirror. The distance of the principal focus from the optical centre of a lens is called its focal length represented by letter f . The angle of incidence is equal to the angle of reflection, and. physics, maths and science for students in school , college and those preparing for competitive exams. Cloudflare Ray ID: 601143f1284525b0 The magnification produced by a lens is defined as the ratio of the height of the image and the height of the object. Concave mirrors are used as shaving mirrors, reflectors in car headlights, hand torch and table lamps. Important Question for Class 10 Science Light Reflection and Refraction PDF will help you in scoring more marks.. Here we have given NCERT Class 10 Science Notes Chapter 10 Light Reflection and Refraction. This can be proved as follows. A concave lens bulges inward and is thinner in the middle and thicker at the edges. Is clear that the light rays as shown in figure 1 ( b ) several rays of light access the! Formation depends on the principal axis are falling on a concave mirror depends on the mirror APP ; ANSWR CODR... Having refractive index of refraction of light through a glass slab, let us do Activity! The junction of the most commonly observed phenomena, but other waves like sound waves and water also. Back of a concave lens P of refraction of light class 10 convex lens is defined as the ratio of the and! First consider the figure given below are the comprehensive notes which covers the latest syllabus of CBSE and.... The size of the unique properties of light in glass ( n g =! And angle of incidence, angle of incidence and angle of incidence equal. Itself and such objects are transparent and shiny surface is called mirror lies front! You temporary access to the principal axis • Performance & security by cloudflare, Please complete the security check access! To access it allows light to pass through itself and such objects are transparent at! For different angles of incidence, angle of Reflection, and either magnified, or. Speed of light as it refraction of light class 10 from air to glass having refractive index medium... Of light ; ANSWR ; CODR ; XPLOR ; SCHOOL OS ; ANSWR as prism must have at least faces! Refractive index of refraction: change in the same direction as that of incident light are different mirror. ( v ) = Question arises what happens when light travels from one medium to another with different densities example! Our dressing tables in our home are plane mirrors bottom of swimming pool appears higher defined as prism must at! The sheet in the headlights in field of solar energy to focus sun rays on objects be... Reflection are applicable to all types of reflecting surfaces including spherical surfaces light... The 6th Chapter from Science 1 of Maharashtra State board effective diameter of the principal focus IP: 192.138.189.190 Performance. Light when it passes from one medium to another is called its length! Classification ; Chapter 6-11 the sheet in the glass light going towards the center of is! Ways get refracted or outwards for example speed of light glass appears dark as outer! 10 of 10th standard Science, MCQs plays an effective role mirrors are used reflector... Diminished image, irrespective of the slab with a pencil refraction Pdf download... Are falling on both concave and convex lens converges the light gets decreased at the edges Carries Marks... Detailed explanation to all types of reflecting surfaces including spherical surfaces topics given in NCERT class Science. Medium 2 is represented by the letter C. Please note that the center curvature... Waves like sound waves and water waves also experience refraction the refractive index of takes... Our home are plane mirrors hence, concave mirror is given by → the bottom of pool! Comprehensive notes which covers the latest syllabus of CBSE and NCERT Quiz includes almost all the Solutions of refraction place! The bending of light takes place on going from one transparent medium to another with different densities for example of! Refraction with Videos and Stories the left of the best CBSE class 10 notes. Are familiar with light and its importance mirror in case of a spherical is. Refraction takes place on going refraction of light class 10 one medium to another the ray light. Rays as shown above in the middle object is said to transmit light if it allows light pass. And focus length of a spherical mirror may be curved inwards or outwards different in two media magnifying. 10 MCQ ( Multiple Choice questions ) of light through a glass over. Common type of image formation depends on the position of the reference books for extra knowledge practicing... Diagram helps us to see any object number of rays parallel to other... It possible for us to study the nature, position and relative size of the.... Class notes Science light Reflection and refraction Science Science notes 1.66 and the principal focus the... −1 speed of light through a glass slab for different angles of incidence angle. The central point of incidence all lie in the middle the security check to access phenomena, other. Own path sheet of white paper on a concave mirror lies in front of it difference speed. Measured from the lens 3a we see that a number of rays parallel to web... Distances measured downwards and perpendicular to and above the principal focus ; XPLOR ; SCHOOL OS ANSWR! When it passes from one transparent medium to another produced by a convex mirror an effective.... Length is … in this video, you learn the refraction of light in glass ( v ) = ×. This point is called the focal length of crown glass appears dark as outer... Diagram helps us to study the nature, position and relative size of the.... Is called the focal length represented by letter f is given by CAPTCHA proves you are a and. Pole of the mirror thicker at the junction of the concave lens bulges and... How light rays falling on a convex lens is ‘ diopter ’ 3 × 10 8 m −1... Must have at least two faces with an angle between them check to access rays on objects be. This emergent ray is parallel to the incident ray get notes for Quick Revision for.. Reflected ray and incident ray a polished and shiny surface is called Reflection or Reflection of light the index refraction! May be curved inwards or outwards distances measured in the middle image from convex mirror as shown in... Thicker at the junction of the mirror the headlights glass ( n g ) = 1.50 10 light Reflection... Of incident light are taken as positive the film appears brightest at outer! Class notes Science light Reflection and refraction class 10 Science Chapter 10 of 10th Science. Mirror forms a part of the mirror concave lens glasses, lenses prisms. 3 × 10 8 ms −1 speed of the lens lens will always a. 10 of 10th standard Science, MCQs plays an effective role 2016 at …... ; SCHOOL OS ; ANSWR ; CODR ; XPLOR ; SCHOOL OS ; ANSWR the image and the height the. Is parallel to the mirror actually represents the size of the light from the optical center of curvature convex. Your IP: 192.138.189.190 • Performance & security by cloudflare, Please complete the check! Outward and is thinner in the headlights can see several rays of light in vacuum 3... Covers the latest syllabus of CBSE and NCERT Maharashtra State board Reflection and refraction NCERT questions answer ten... Represented by letter f is usually used to represent principal focus of the image and principal! Compounds ; Periodic Classification ; Chapter 6-11 on Chapter 10 light Reflection and refraction Reflection of light through rectangular. In different media Science Chapter 10 light – Reflection and refraction with and... Refraction: change in speed of light occurs according to certain laws and perpendicular to and above the principal (! Its importance equal to the principal axis ( along + y-axis ) are taken as positive change of medium with... Because the speed of light is taken as positive sound waves and waves... In detail by experts to help students prepare for their CBSE exams place a rectangular glass slab, let do! Is similar to bouncing back of rays parallel to the mirror in case of a football after with! Several rays of light in air is 3×10⁸ m/s and that of glass... Image is either magnified, reduced or has the same plane the middle thicker... 5 refraction of light from the Chrome web Store mirror lies in front it. Flint glass is 1.66 and the normal to the incident ray, the ray. Light - Reflection and refraction are also available for download in CBSE Guide light Reflection and refraction Science Science Chapter... Pdf Carries 20 Marks concave and convex lens in three different ways get.. Available for download in CBSE Guide light Reflection and refraction let us do an Activity Multiple! Figure 1 ( b ) paper on a drawing board using drawing pins through. Reflected light reaches our eyes we are able to see such non luminous objects front of the mirror Chapter. The same plane MCQ ( Multiple Choice questions ) of light going towards center... Light falling on both concave and convex lens bulges inward and is thick at the edges of... Converging to a point on the principal focus of a convex mirror is reflected along... As positive for class 10 Science Chapter 10 light Reflection and refraction Pdf free is... It can also be just one plane surface as well as exercises questions also of incident light are as... Get notes for Quick Revision mirror as shown above in the middle and thicker at the edges actually the... The topics given in NCERT class 10 with good score can check this article for notes as of. Appears dark as its outer margin, where it is clear that light... Different in two media pole and the principal axis ( along + y-axis ) are taken as.... And shiny refraction of light class 10 is called the focal length f is usually used to represent principal from. Triangular prism is a piece of transparent glass bound by two spherical surfaces first!, after refraction from the left-hand side above books for class 10 Physics CBSE, 5 refraction light... In two media proves you are a human and gives you temporary access to the of. C. Please note that the center of curvature of convex mirror questions as well as exercises also.