Concave and Convex Lenses Review

Front

What does a concave lens do?

Back

A concave lens makes things smaller.

Front

What is reflection?

Back

Reflection is the bouncing back of light rays when they hit a surface.

Front

What is refraction?

Back

Refraction is the bending of light rays as they pass from one medium to another.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and not reflected or transmitted.

Front

What is diffusion in the context of light?

Back

Diffusion is the scattering of light rays in many directions.

Front

How does a concave lens differ from a convex lens?

Back

A concave lens is curved inward on both sides; a convex lens is curved outward on at least one side.

Front

What is a convex lens?

Back

A convex lens is thicker in the center and thinner at the edges, used to magnify objects.

Front

What is a concave lens?

Back

A concave lens is thinner in the center and thicker at the edges, used to diverge light rays.

Front

What type of lens is a magnifying glass?

Back

A magnifying glass is an example of a convex lens.

Front

What happens to light rays when they pass through a convex lens?

Back

Light rays converge to a point after passing through a convex lens.