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Question
Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.
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Solution
The ray of light bends towards the normal while passing from air to glass.
RELATED QUESTIONS
Write a short note on dispersion of light.
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
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(i) `delta` m, the angle of mínimum devíation
(íí) Any two values of i for which value of `delta` ís same.
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The refractive index of air with respect to glass is defined: as gµa = sin i/sin r
Write down a similar expression for aµg in terms of angle i and r.
A coin placed at the bottom of a beaker appears to be raised by 4.0 cm. If the refractive index of water is 4/3, find the depth of the water in the beaker.
