Light and Matter Test

Front

What is the phenomenon called when light bounces off an object?

Back

Reflection.

Front

What is the purpose of the pupil in the human eye?

Back

To regulate the amount of light entering the eye.

Front

Which type of wave has the highest frequency: A, B, or C?

Back

A.

Front

What is the relationship between wavelength and frequency in waves?

Back

Wavelength and frequency are inversely related; as one increases, the other decreases.

Front

What happens to light when it passes through a transparent material?

Back

It is transmitted.

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction.

Front

What is the visible spectrum?

Back

The range of wavelengths of light that are visible to the human eye.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second (or about 186,282 miles per second).

Front

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

Back

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

Front

What is the effect of light intensity on the brightness perceived by the human eye?

Back

Higher light intensity results in greater brightness.