Advertisements
Advertisements
Question
State two differences between normal reflection and total internal reflection.
Advertisements
Solution
| Reflection | Total Internal Reflection |
| Takes place in any medium, denser or rarer. | Takes place only in a denser medium. |
| Takes place for any angle of incidence. | Takes place only when the angle of incidence is greater than critical angle. |
APPEARS IN
RELATED QUESTIONS
What do you understand by the deviation produced by a prism? Why is it caused?
Prove the statement.
A rainbow is the combined effect of the refraction, dispersion, and total internal reflection of light.
Solve the previous problem if the paperweight is inverted at its place so that the spherical surface touches the paper.
If a light ray does not undergo, refraction at the boundary between two media, the angle of incidence is:
How does a ray of light bend when it travels from rarer to denser medium
Complete the following diagram to show the path of the ray of a single colour in the diagram as if enters in and emerges out of the prism. Mark the angles wherever necessary. (Critical angle for glass = 42°).

Explain ‘mirage’ as an illustration of refraction.
Observe the given figure and write appropriate phenomenon of light in the box.

A green light is incident from the water to the air-water interface at the critical angle (C). Select the correct statement.
The angle made by incident ray of light with normal of the reflecting surface is called ______.
