A prism of angle `60^(@)` deviates a ray of light through `31^(@)` for two angles of incidence, which differ by `17^(@)`. What is the refractive index of the glass of the prism ?
1 Answers
Talk Doctor Online in Bissoy App
Minimum deviation angle of a thin prism of refractive index ′μ′ and angle of prism A is -
Correct answer is (B) (μ – 1)A
2 Answers 1 views
A prism (apex angle `A le 90°)` produces minimum deviation that is equal to the apex angle. What can be said about the refractive index of the materia
Correct Answer - `sqrt(2) lt mu lt 2`
2 Answers 1 views
Limiting angle of a prism is defined as the largest angle of the prism (A) for which no emergent ray is obtained. (a) Find the limiting angle `(A_(0))
Correct Answer - (a) `A_(0) = 2 sin^(-1) ((1)/(mu))` (b) NO
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
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
The refractive index of the material of a prism of `60^(@)` angle for yellow light is `sqrt(2)`. Calculate angle of minimum deviation, angle of incide
Correct Answer - `30^(@), 45^(@), 30^(@)`
2 Answers 1 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 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 i
Correct Answer - `58.5^(@)`
2 Answers 1 views
A ray of light suffers a deviation of `3.2^(@)` on passing through a thin prism of angle `5^(@)`. What is the refractive index of the material of the
Correct Answer - 1.64
2 Answers 1 views