A concave mirror of focal length 12cm is placed at a distance of 60cm from a wall. How far from the wall an object be placed so that it's sharp image formed by the mirror falls on the wall? Answer with diagram.
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Focal Length = 12 cm. Distance = 60 cm. ( Since, the image is formed on the wall and the distance between the wall and mirror is 35cm
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easy
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I'm also not getting this question and I'm trying it , but why are you asking FST question here you are cheater . shame on you
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