Advertisements
Advertisements
Question
A ray of light strikes the surface of a rectangular glass slab such that the angle of incidence in air is
- 0°,
- 45°.
In each case, draw a diagram to show the path taken by the ray as it passes through the glass slab and emerges from it.
Advertisements
Solution

APPEARS IN
RELATED QUESTIONS
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
A ray of light passes from water to air. How does the speed of light change?
Observe the following figure and answer the questions given under it:

1) How many times does refraction take place in the above figure?
2) What happens to the ray of light when it passes from air to glass?
3) What happens to the ray of light when it passes from glass to air?
4) What are the rays AB and CD in the figure called?
5) Define refraction.
How does the angle of deviation produced by a prism change with increase in the angle of incidence. Draw a curve showing the variation in the angle of deviation with the angle of incidence at a prism surface.
How does the angle of minimum deviation produces by a prism change with increase in :
the refracting angle of prism?
A ray of light passes from air to water. In fig. 39, which of the ray A, B, C and D is the correct refracted ray?

A ray of light passes from water to air. How does the speed of light change?
Why does the sun appear bigger during sunset or sunrise?
A ray of light PQ is incident normally on the hypotenuse of a right-angled prism ABC as shown in the diagram given below:

(i) Copy the diagram and complete the path of the ray PQ till it emerges from the prism.
(ii) What is the value of the angle of deviation of the ray?
(iii) Name an instrument where this action of the prism is used.
