Physics
With respect to light passing from air into water, which of the following statements is correct?
- Angle of incidence is equal to the angle of refraction.
- Angle of incidence is always greater than the angle of refraction
- Angle of incidence is always less than the angle of refraction
- Angle of incidence has no effect on the angle of refraction.
Related Questions
The refractive index of water is 4/3 and that of glass is 3/2. The refractive index of glass with respect to water is:
- 9/8
- 2
- 8/9
- 1
The optical density of turpentine is higher than that of water, while its mass density is lower than water. The figure given below shows a layer of turpentine floating over water taken in a container. For which one of the four rays incident on turpentine in the path shown in the figure is correct?

- Ray 1
- Ray 2
- Ray 3
- Ray 4
A ray of light is incident normally on a plane glass slab. What will be (i) the angle of refraction and (ii) the angle of deviation for the ray?
An obliquely incident light ray bends at the surface due to change in speed, when passing from one medium to other. The ray does not bend when it is incident normally. Will the ray have different speed in the other medium?