Lenses Formative 4.12

Front

What happens to light when it passes through a concave lens?

Back

It diverges, or spreads apart.

Front

True or False: A polarizing lens/filter is used to reduce glare on reflective surfaces including glass, windows, and water.

Back

True.

Front

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

Back

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

Front

What type of lens is found in the human eye?

Back

Convex lens.

Front

What happens to light when it passes through a convex lens?

Back

It converges, or comes together.

Front

Define a concave lens.

Back

A lens that is thinner in the center than at the edges, causing light rays to diverge.

Front

Define a convex lens.

Back

A lens that is thicker in the center than at the edges, causing light rays to converge.

Front

What is the purpose of a polarizing lens?

Back

To reduce glare from reflective surfaces.

Front

How does a concave lens affect the size of an image?

Back

It produces a smaller, upright image.

Front

How does a convex lens affect the size of an image?

Back

It can produce a larger, inverted image depending on the distance from the object.