Also find its magnification. (ii) It is also used in street lights. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. The magnification is: m = 20/-60 = -1/3 The -ve sign of m tells that the image is inverted. numericals on mirror formula - Physics - TopperLearning.com | rrevzmtt. The formula of image magnification : The formula of the focal length (f) : The correct answer is A. To derive concave mirror formula consider fig. The size of the image produced by a convex mirror is always smaller than the size of the object, therefore, the mirror is a concave mirror. 2. Give the location of the image and magnification. 11. Answered; NUMERICALS ON MIRROR FORMULA . Uses of Convex Mirror : (i) It is used as rear view mirror in automobiles because it gives erect image as well as diminished due to which Pt has wider field of view. Q2. 10. Image distance (d’) = x + 5. ... Save. 11. Ans: v=60cm, h i = -8cm, inverted, m= -2. Nov 23, 2020 - Mirror Formula and Magnification - Light Reflection and Refraction, Class 10, Science | EduRev Notes is made by best teachers of Class 10. Numericals on mirror formula & magnification. This document is highly rated by Class 10 students and has been viewed 31884 times. Image magnification (M) = 5 times. 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. The magnitude of m (magnification) is less than one, thus image formed is of reduced size. Share. Calculate the focal length of the lens. numericals on mirror formula - Physics - TopperLearning.com | rrevzmtt ... CBSE Class 10 - Ask The Expert. (14.4) where an object OA, is placed in front of a concave mirror. ( NTSE & BOARDS) Lesson 9 of 10 • 2 upvotes • 7:15 mins. Light (in Hindi) 6:24 mins. Most important numericals on magnification and mirror formula for NTSE and BOARDS (Hindi) Light Reflection and Images Formed by Mirrors - Foundation Class 10. Object distance (d) = x. Mirror Formula : It is a relation between distance of object, distance ofimage from the pole ofthe mirror and it’s 10. 1. A needle placed at 45cm from the lens forms an image on a screen placed 90cm on the other side of the lens. Lens Formula, Magnification and Power of a Lens. Concave mirror formula. Mirror Equation for convex lens and concave lens along with a detailed diagram and explanation. Visit BYJU'S for Mirror Equation Formula, sign conventions along with a solved problem. Numericals based on concave/convex lens and power ... find the position, nature and size of the image. A 4.5 cm needle is placed 12cm away from a convex mirror of focal length 15 cm. 10 lessons • 1h 12m . 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