Refraction of Light through a Prism

Q. What is Emergent ray?

Q.

The angle between the two plane refracting surfaces of the prism is called:

1. Angle of deviation

2. Angle of prism

3. Angle of incidence

4. Angle of refraction

Q.

If a monochromatic white light is passed through the prism, which of the following phenomenon could be observed?

1. Reflection

2. Diffraction

3. Dispersion

4. Refraction

Q. The angle of minimum deviation does not depend on:

1. Angle of prism
2. Material of prism
3. Angle of incidence
4. None of these

Q. Will the speed of light differ for solid , liquid, gas

Q.

What is a prism ? Draw a ray diagram to show the refraction of a light ray through a prism.

Q. Arrange the following coloured light rays in increasing order of the angle of deviation, when passed through a prism.

1. Red
2. Violet
3. Orange
4. Blue
5. Green

Q. In which of the following cases light bends towards the normal ray?

1. Light traveling from air into glass.
2. Light traveling from glass into water.
3. Light traveling from air into water.
4. Light traveling from water into a prism.

Q.

When white light is passed through a triangular prism, which of the following colour light will bent the least?

1. Yellow

2. Green

3. Orange

4. Red

Q.

Rays of light are refracted ______ when they are passed from air to glass prism.

1. At normal
2. Towards the normal
3. Away from the normal
4. At glass

Q. What is a prism ? Draw a ray diagram to show the refraction of a light ray through a prism.

Q. The refractive indices of the material of the prism for red and yellow colour are 1.620 and 1.635 respectively. Calculate the angular dispersion and dispersive power, if refracting angle is $8^0$.

Q. In a prism, the emergent ray is parallel to the incident ray. True or false?