Light, mirrors and lenses

Front

What is the Law of Reflection?

Back

The Law of Reflection states that when a light ray strikes a mirror, it bounces off at the same angle at which it hits.

Front

What is Refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What principle of light is demonstrated when a spotlight is directed onto a mirror surface?

Back

Reflection of light.

Front

Does a concave mirror converge or diverge light?

Back

A concave mirror converges light.

Front

True or False: Convex mirrors cause light to spread out.

Back

True.

Front

What happens to light when it strikes a smooth surface?

Back

It reflects off the surface.

Front

What is a convex lens?

Back

A convex lens is a lens that is thicker in the middle than at the edges and converges light rays that pass through it.

Front

What is a concave lens?

Back

A concave lens is a lens that is thinner in the middle than at the edges and diverges light rays that pass through it.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light from a surface, while refraction is the bending of light as it passes from one medium to another.

Front

What is the focal point of a concave mirror?

Back

The focal point is the point where parallel light rays converge after reflecting off the mirror.