Q.

The distance between a real object and its image in a convex mirror of focal length 12 cm is 32 com. Then the size of the image if the object size is 1 cm will be

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a

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b

3 cm

c

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d

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answer is C.

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Detailed Solution

Let the distance of object and image are u, v for an object placed infront of a convex mirror as shown

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We have PO + PI = 32 cm  f = 12

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We know Question Image

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Now size of object is 1 cm then image Question Image

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