A man walking with a speed $V$ (constant in magnitude and direction ) passes under a lantern hanging at a height $H$ above the ground (consider lantern as a point source). Find the velocity with which the edge of the shadow of the man's head moves over the ground, if his height is $h$ .

\frac{V h}{H - h}

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\frac{V h}{H + h}

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\frac{V H}{H - h}

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\frac{V H}{H + h}

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Solution

The correct option is C $\frac{V H}{H - h}$

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