Concave mirror formula. Formula of Magnification. Sign convention for reflection by spherical mirror, Filed Under: Class 10, Light-Reflection and Refraction Tagged With: image distance, magnification, mirror formula, object distance, real image, virtual image. The distance of the image from the pole of the mirror is called the image distance (v). Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 1 Comment. Understanding the magnification physically is quite easy and every one of us can recognize it. It is also given in terms of image distance and object distance. Q: Using magnification formula, prove that image formed by a plane mirror is at the same distance as object but behind the mirror. Class 10 Physics Light Reflection Refraction: Mirror Formula & Magnification: Mirror Formula & Magnification. Filed Under: Class 10, Light-Reflection and Refraction Tagged With: image distance, magnification, mirror formula, object distance, real image, virtual image 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. To derive concave mirror formula consider fig. The distance of the object from its pole is called the object distance (u). The distance of the principal focus from the pole is called the focal length (f). Class 10 Physics Light Reflection Refraction. A positive sign in the value of the magnification indicates that the image is virtual. Class 10 Mirror Formula and Magnification - Light Reflection and Refraction, Class 10, Science | EduRev Notes Summary and Exercise are very important for perfect preparation. (14.4) where an object OA, is placed in front of a concave mirror. From the figure given above, it is obvious that the object AB is placed at a distance of U from P which is the pole of the mirror. Your email address will not be published. A ray of light starting from the end point A of the object and moving parallel to the principal axis strikes the mirror at the point E. it is reflected at E and passes through the principal focus F. She has started this educational website with the mindset of spreading Free Education to everyone. Mirror Formula Derivation. The distance of the principal focus from the pole is called the focal length (f). Question 5 Write the mirror formula for a spherical mirror? Your email address will not be published. The derivation of mirror formula is given below. You can see some Mirror Formula and Magnification - Light Reflection and Refraction, Class 10, Science | EduRev Notes sample questions with examples at the bottom of this page. The Mirror formula explains how object distance (u) and image distance (v) are related to the focal length of a spherical mirror. The distance of the principal focus from the pole is called the focal length (f). Mirror Formula : Where:-The distance of the object from its pole is called the object distance (u). 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. Question 2 A concave mirror produces three times magnified real image of an object placed at 10cm in front of it.Where is the image located? Class 10 Physics Light Reflection Refraction: Mirror Formula & Magnification: Mirror Formula & Magnification. Calculating magnification with the help of lens formula: Magnification of a lens is defined as the ratio of the height of an image to the height of an object. Economics Chapter 1 Development – Notes & Study Material, Geography Chapter 6 Manufacturing Industries – Notes & Study Material. Question 6 What do you mean by magnification produced by mirrors? Question 4 What are the sign conventions for concave mirror? The -ve value of magnification represents real image of an object. It is equal to the ratio of image distance to that of … Required fields are marked *, The distance of an object on principal axis from pole of spherical mirror is called, The distance of position of image on principal axis from pole of spherical mirror is called. The distance of an object on principal axis from pole of spherical mirror is called object distance(u). Image formation by lenses ; Sign convention for spherical lenses; Lens formula & Magnification; Power of a lens; Class 10 Physics Light Reflection Refraction: Power of a lens: Power of a lens. The diagram given below will help learners to understand the mirror formula derivation more effectively. 10.01 Reflection of Light; 10.02 Spherical Mirrors; 10.03 Guide to Image formation in spherical mirrors; 10.04 Image formation by concave mirror; 10.05 New Cartesian Sign Convention, Mirror formula and Magnification Second Formula for Magnification There is another formula of magnification Note : - If magnification (m) is positive , It means image formed is virtual and erect If magnification (m) is negative, It means image formed is real and inverted Questions Example 10.1 - A convex mirror used for rear-view on an automobile has a radius of curvature of 3.00 m.
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