Q.

An object 5cm tall is placed 1m from a concave spherical mirror which has a radius of curvature of 20cm. The size of the image is

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a

0.11cm

b

0.50cm

c

0.55cm

d

0.60cm

answer is C.

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Detailed Solution

IO=f(f−u)⇒I+5=−10−10−(−100)⇒I=0.55cm
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