Light Energy 5.6C

Front

What causes the lower part of a child in a swimming pool to appear different in size from the upper part?

Back

The light rays that travel through water and then into air are refracted.

Front

What is the best demonstration of the reflection of light?

Back

Looking at an image formed on a silver spoon.

Front

What happens to light when it enters a special glass fiber?

Back

It moves through the fiber and travels in a straight line after leaving.

Front

What is the name of the curved piece of glass or plastic in glasses that refracts light?

Back

Lens.

Front

What is the term for light passing through a lens and bending?

Back

Refraction.

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What is reflection in terms of light?

Back

The bouncing back of light rays when they hit a surface.

Front

What is the difference between refraction and reflection?

Back

Refraction involves bending of light, while reflection involves bouncing back of light.

Front

How does the angle of incidence relate to the angle of reflection?

Back

The angle of incidence is equal to the angle of reflection.

Front

What is the role of a lens in optical devices?

Back

To refract light and focus it to form images.