Light and Sound Waves

Front

High Amplitude

Back

Louder sounds

Front

Light is refracted and spread out by a ____

Back

concave lens

Front

When you yell in a canyon, you hear an echo of your voice. Why is this?

Back

The sound waves are reflected by the walls of the mountains.

Front

The brightness of a light corresponds to the

Back

amplitude

Front

The larger the amplitude, the less energy

Back

false

Front

What is a wave?

Back

A disturbance that transfers energy from one place to another.

Front

What is the speed of sound in air?

Back

Approximately 343 meters per second at 20°C.

Front

What is frequency?

Back

The number of waves that pass a point in one second.

Front

What is wavelength?

Back

The distance between two consecutive peaks of a wave.

Front

What is reflection?

Back

The bouncing back of a wave when it hits a surface.