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Question
Draw ray of light bending towards the normal while passing from glass to water. Label your diagrams.
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Solution
The ray of light bends away from the normal while passing from glass to water.
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
Explain the term absolute refractive index of a medium and write an expression to relate it with the speed of light in vacuum.
Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.
A ray of light passes from water to air. How does the speed of light change?
Why upper surface of water contained in a beaker and above eye level appears silvery?
In the diagram below, PQ is a ray of light incident on a rectangular glass block.
Copy the diagram and complete the path of the ray of light through the glass block. In your diagram, mark the angle of incidence by letter ‘i’ and the angle of emergence by the letter ‘e’.
