Light Properties and Behavior

Front

What is light pollution primarily caused by?

Back

Outdoor artificial light.

Front

Where is the focal point of a concave mirror located?

Back

In front of the mirror.

Front

What is a virtual image?

Back

An image that is right side up and cannot be projected on a screen.

Front

Do electromagnetic waves require a medium to travel?

Back

No, they do not require a medium.

Front

Why do some objects appear white?

Back

They reflect all wavelengths of visible light.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is refraction?

Back

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

Front

What is the difference between a convex and concave mirror?

Back

A convex mirror diverges light rays, while a concave mirror converges them.

Front

What is the law of reflection?

Back

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

Front

What is a prism?

Back

A transparent optical element that refracts light.