A pile 4 m high stands in the lake- such that it appears 1 m above the surface of water - if refractive index of water is - - 4-3 and sun rays make an angle of 450 with the water surface- then length of the shadow of pile on the bed of the lake will be-

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Standard X

Physics

Refractive Index

A pile 4 m hi...

Question

A pile 4 m high stands in the lake, such that it appears 1 m above the surface of water . if refractive index of water is $μ = \frac{4}{3}$ and sun rays make an angle of $45^{0}$ with the water surface, then length of the shadow of pile on the bed of the lake will be:

1 m

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1.88 m

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2.88 m

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0.88 m

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Solution

The correct option is C 2.88 m
Option C is correct

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A pile 4 m high stands in the lake, such that it appears 1 m above the surface of water . if refractive index of water is μ=43 and sun rays make an angle of 450 with the water surface, then length of the shadow of pile on the bed of the lake will be:

The correct option is C 2.88 mOption C is correct

A pile 4 m high stands in the lake, such that it appears 1 m above the surface of water . if refractive index of water is $μ = \frac{4}{3}$ and sun rays make an angle of $45^{0}$ with the water surface, then length of the shadow of pile on the bed of the lake will be:

The correct option is C 2.88 m
Option C is correct