Understanding Light: Diffraction, Dispersion, and Deviation

What happens to light when it passes from air into water?

• It speeds up and travels in a straight line.

• It slows down and travels in a straight line.

• It slows down and bends.

• It speeds up and bends.

Which color of light undergoes the maximum deviation when passing through a prism?

• Blue

• Red

• Violet

• Green

What is the angle of deviation?

• The angle between the incident ray and the refracted ray.

• The angle between the emergent ray and the normal.

• The angle between the incident ray and the normal.

• The angle between the incident ray and the emergent ray.

How is the refractive index related to the angle of minimum deviation?

• It is the product of the sine of the angle of the prism and the angle of minimum deviation.

• It is the difference between the sine of the angle of the prism and the angle of minimum deviation.

• It is the ratio of the sine of the sum of the angle of the prism and the angle of minimum deviation to the sine of half the angle of the prism.

• It is the sum of the sine of the angle of the prism and the angle of minimum deviation.

What natural phenomenon occurs when sunlight passes through water droplets and refracts?

• A solar eclipse

• A rainbow

• A lunar eclipse

• A mirage