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Image Formation by Concave Lens

What can be t...

Question

What can be the largest distance of an image of a real object from a convex mirror of radius of curvature is 20 cm?

A

10 cm

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B

20 cm

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C

Infinity

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D

Zero

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Solution

The correct option is A 10 cm
In a convex mirror image is formed only between focus and mirror. So the maximum distance is $f$ i.e, $\frac{20}{2} = 10 c m$

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