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Image Formation in Convex Mirror

Calculate the...

Question

Calculate the focal length of a convex mirror of radius of curvature 20 cm.

A

5 cm

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B

10 cm

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C

15 cm

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D

20 cm

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Solution

The correct option is B 10 cm
It is given $R = 20 c m$
$∴ f = \frac{R}{2} = \frac{20}{2} = 10 c m$

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Image Formation in Convex Mirror

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