Advertisements
Advertisements
Question
Name one main factor on which the direction of bending of a ray of light depends.
Solution
It mainly depends upon the optical density of the two media through which a ray of light travels.
APPEARS IN
RELATED QUESTIONS
If the speed of light in vacuum is 3 × 108 ms−1, find the speed of light in a medium of absolute refractive index 1.5.
Light passes through a rectangular glass slab and through a triangular glass prism. In what way does the direction of the two emergent beams differ and why?
How can you bend light away from the normal?
For which colour of white light, is the refractive index of a transparent medium the most?
-
- the angle of refraction and
- the angle of deviation for the ray?
What is meant by the refraction of light?
What is the refractive index of vacuum
Explain with the help of a diagram of how fish is able to see the objects above it.
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.
The diagram below shows two parallel rays A (Orange) & B (Blue) incident from air, on air-glass boundary.
- Copy and complete the path of the rays A and B.
- How do the speeds of these rays differ in glass?
- Are the two refracted rays in glass parallel? Give a reason.
