explain an activity to find focal length of a concave mirror(class10)
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Answer:
focus length is half of distance between pole and focus
ananya1053:
I want activity
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Explanation:
hold a concave mirror in ur hand and direct it towards the screen. direct the light reflected by the the mirror on to a sheet of paper held close to a mirror .move the sheet back and forth slowly until a bright, sharp light is seenon paper.the distance of the image from the position of the mirror gives a approximate value of the focal length of the mirror.
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