Waves and Information Transfer

Front

What is a wave?

Back

A wave is a disturbance that transmits energy through space or matter.

Front

What type of waves do television remote controls use to send information?

Back

Light waves.

Front

How does sound travel?

Back

Sound travels in waves.

Front

What does it mean when we say an object reflects light?

Back

It means the object bounces light off its surface, allowing us to see it.

Front

What is the term for the height of a wave?

Back

Amplitude.

Front

What happens to light when it hits a mirror?

Back

It reflects light.

Front

What is the difference between opaque and translucent materials?

Back

Opaque materials do not allow light to pass through, while translucent materials allow some light to pass through.

Front

What is an example of a medium through which sound can travel?

Back

Air, water, or solid materials.

Front

What is the term for the speed of a wave?

Back

Wave speed.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.