Lenses

Front

What does it mean to reflect?

Back

To bounce off.

Front

Is a convex lens thicker or thinner in the middle?

Back

Thicker.

Front

Which of the following does not refract light? (prism, convex lens, concave lens, mirror)

Back

Mirror.

Front

What is the shape of a concave lens?

Back

Inward curved shape.

Front

What happens to light rays as they exit a concave lens?

Back

They spread apart.

Front

Which describes a convex lens? (triangular in shape, more transparent in the middle, thicker on the edges than in the middle, thicker in the middle than on the edges)

Back

Thicker in the middle than on the edges.

Front

What is a lens?

Back

A transparent optical device that refracts light.

Front

What is the difference between a convex lens and a concave lens?

Back

A convex lens is thicker in the middle and converges light rays, while a concave lens is thinner in the middle and diverges light rays.

Front

What is refraction?

Back

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

Front

What is the focal point of a lens?

Back

The point where light rays converge or appear to diverge after passing through the lens.