A liquid of refractive index n is filled in a tank.A plane mirror is kept at the bottom of tank. A point like object P is kept at hieght h from the mirror.An observer observes P and image obtained of P from the top vertically upward direction.What will be the distance observed by the observer.

2nh

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2h/n

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2h/-n-1

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(1 + \frac{1}{n})

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Solution

The correct option is B 2h/n
$\begin{matrix} P P^{'} = \frac{h}{n} + \frac{h}{n} = \frac{2 h}{n} A n s . (B) \end{matrix}$

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A liquid of refractive index n is filled in a tank.A plane mirror is kept at the bottom of tank. A point like object P is kept at hieght h from the mirror.An observer observes P and image obtained of P from the top vertically upward direction.What will be the distance observed by the observer.

The correct option is B 2h/nPP′=hn+hn=2hnAns.(B)

The correct option is B 2h/n
$\begin{matrix} P P^{'} = \frac{h}{n} + \frac{h}{n} = \frac{2 h}{n} A n s . (B) \end{matrix}$