A boy runs towards a convex mirror with a speed v- His nbsp-image is seen to move towards the mirror at a speed nbsp-v- Then-v v - v-v - v-Nothing can be said as data are indufficient

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Image Formation in Convex Mirror

A boy runs to...

Question

A boy runs towards a convex mirror with a speed v. His image is seen to move towards the mirror at a speed v'. Then,

v < v'

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v > v'

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v = v'

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Nothing can be said as data are indufficient

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Solution

The correct option is B v > v'
Answer is B.

In a convex mirror, the image distance is smaller than the object distance. That is, when an object moves towards the convex mirror, the image appears to move closer at a faster rate.
Hence, the speed of the approaching object is faster than the speed of the approaching image. That is, $v > v^{^{'}}$ .

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