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प्रश्न
A student traces the path of a ray of white light through a rectangular glass slab and marks, the angles of incidence (∠i) , refraction (∠r) and emergence (∠e) as shown. Which angle or angles has he not marked correctly?
(A) ∠i only
(B) ∠i and ∠r
(C) ∠i and ∠e
(D) ∠r and ∠e
उत्तर
Incident and emergent angles are measured from the normal of the plane.
The Correct Answer is C
संबंधित प्रश्न
After tracing the path of a ray of light passing through a rectangular glass slab for four different values of the angle of incidence, a student reported his observations in tabular form as given below:
| S.No | ∠ i | ∠ r | ∠ e |
| I | 30° | 19° | 29° |
| II | 40° | 28° | 40° |
| III | 50° | 36° | 50° |
| IV | 60° | 40° | 59° |
The best observation is
(A) I
(B) II
(C) III
(D) IV
State the dependence of angle of deviation On the wavelength of light
The speed of light in glass is 2 × 105 km/s. What is the refractive index of glass?
What do you understand by the statement the refractive index of glass is 1.5 for white light?
Which of the following is the best experimental set-up out of the four shown for tracing the path of a ray of light passing through a rectangular glass slab ?
-
- the angle of refraction and
- the angle of deviation for the ray?
Which of the following has the highest refractive index:
Why does a fisherman aim at the tail of fish during spearfishing?
Comment on the statement ‘The refractive index of glass is 3/2.’
Name two instruments of the total refracting prism in which is used.
