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प्रश्न
A glass block is having refractive index 3/2, the light ray is incident at an angle 45°. Find the sine of the angle of, refraction inside the glass block.
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उत्तर
∵ According to Snell's law of refraction:
n = `sin"i"/sin"r"`
`3/2=(sin45°)/sin"r"`
⇒ `3/2=(1//sqrt2)/sin"r"`
sin r = `2/(3sqrt2)`
= `sqrt2/3`
संबंधित प्रश्न
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
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