A ray of light is incident on the glass prism at an angle of `40^(@)`. Find the angle of emergence, if the angle of prism is `60^(@)` and refractive index is 1.5.
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An isosceles glass prism has one of its faces silvered. A light ray is incident normally on the other face which is identical in size to the silvered
Correct Answer - `mu gt (1)/(sin 72^(@))`
2 Answers 1 views
A ray of light is incident upon one face of a prism in a direction perpendicular to the other refracting face. The critical angle for glass – air inte
Correct Answer - `cot A lt (sqrt(3)-1)` where A is angle of the prism.
2 Answers 2 views
An equilateral prism is made of glass whose refractive index for red and violet light is 1.510 and 1.550 respectively. White light is incident at an a
Correct Answer - `5^(@)`
2 Answers 1 views
A ray of light is incident on a glass plate of refractive index 1.54. If the reflected ray is completely plane polarised, find (i) angle of incidence
Correct Answer - (i) `57^(@)` (ii) `33^(@)` (iii) `40.5 ^(@)`
2 Answers 1 views
A crown glass prism of refracting angle `8^(@)` is combined with a flint glass prism to obtain deviation without dispersion. If the refractive indicat
Correct Answer - `1.53^(@)`
2 Answers 1 views
Light passes symmetrically through a `60^(@)` prism of refractive index 1.54. After emergence out from the prism the light ray is incident on a plane
Correct Answer - `0^(@)`
2 Answers 1 views
For a ray of light refracted through a prism of angle `60^(@)`, the angle of incidence is equal to the angle of emergence, each equal to `45^(@)`. Fin
Correct Answer - 1.414
2 Answers 3 views
A ray of light incident at `49^(@)` on the face of an equilaternal prism passes symmetrically. Calculate the refractive index of the material of the p
Correct Answer - 1.5094
2 Answers 2 views
A ray incident normally on one face of a right-angled isosceles glass prism in air is deviated through `90^(@)`. What can you say about the refractive
Correct Answer - `mu gt sqrt(2)`
2 Answers 1 views
A thin glass prism placed in air produces minimum deviation of `4^(@)` in a light ray. If the prism is immersed in water, what will be the minimum dev
Correct Answer - `1^(@)`
2 Answers 1 views