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Standard X

Physics

Principle of Reversibility of Light

A vessel havi...

Question

A vessel having perfectly reflecting plane bottom is filled with water $(μ = \frac{4}{3})$ to a depth d. A point source of light is placed at a height h above the surface of water. Find the distance of final image from water surface

h + d

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h + \frac{h}{2}

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h + \frac{3}{4} d

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h + \frac{3}{2} d

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Solution

The correct option is D $h + \frac{3}{2} d$

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A vessel having perfectly reflecting plane bottom is filled with water (μ=43) to a depth d. A point source of light is placed at a height h above the surface of water. Find the distance of final image from water surface

The correct option is D h+32d

A vessel having perfectly reflecting plane bottom is filled with water $(μ = \frac{4}{3})$ to a depth d. A point source of light is placed at a height h above the surface of water. Find the distance of final image from water surface

The correct option is D $h + \frac{3}{2} d$