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प्रश्न
A Water pond appears to be 2.7 m deep. If the refractive index of water is 4/3, find the actual depth of the pond.
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उत्तर
Apparent depth = 2.7 m
`µw=4/3`
Real depth = apparent depth × 𝛍w
`=2.7xx4/3=3.6 m`
संबंधित प्रश्न
Define refraction and state the laws of refraction.
A student traces the path of a ray of light through a rectangular glass slab for the different values of angle of incidence. He observes all possible precautions at each step of the experiment. At the end of the experiment, on analyzing the measurements, which of the following conclusions is he likely to draw?
(A) ∠i = ∠e < ∠r
(B) ∠i < ∠e < ∠r
(C) ∠i > ∠e > ∠r
(D) ∠i = ∠e > ∠r
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
For which colour of white light, is the refractive index of a transparent medium the most?
Fill in the blanks to complete the following sentence
The refractive index of glass with respect to air is 3/2. The refractive index of air with respect to glass will be ……………….
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Draw ray of light bending towards the normal while passing from glass to water. Label your diagrams.
How will you verify the laws of refraction or how the refractive index of glass is determined in the laboratory?
