Advertisements
Advertisements
Question
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of incidence?
Solution
Angle of incidence is `0^0` because light ray is travelling along the normal and angle of incidence is the angle between the light ray and the normal.
APPEARS IN
RELATED QUESTIONS
Where is the image when you look at something in a mirror?
If a ray of light goes form a denser medium to a rarer medium, will it bend towards the normal or away from the normal?
A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?
A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray of light?
Light travels more quickly through water than through glass.
If a ray of light passes from glass into water, which way will it bend : towards the normal or away from the normal?
When a ray of light travelling in glass enters into water obliquely:
(a) it is refracted towards the normal
(b) it is not refracted at all
(c) it goes along the normal
(d) it is refracted away from the normal
Match the Following
| Column A | Column B |
| (a) white Light | (1) Convex mirror |
| (b) Refraction | (2) Concave mirror |
| (c) Virtual images | (3) refraction |
| (d) Real images | (4) spectrum |
| (e) Prism | (5) ray of light from glass to air |
The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called ______.
Light travels fastest in a vacuum. Why?
Assertion: The air bubble shines in water.
Reason: Air bubble shines due to the refraction of light.
