Waves and Sounds Retake Test

Front

What is an echo?

Back

An echo is a reflection of sound that arrives at the listener after a delay.

Front

True or False: An echo is a diffracted sound wave.

Back

False

Front

What is measured from crest to crest or trough to trough in a wave?

Back

Wavelength

Front

True or False: Earthquakes are an example of Surface Waves.

Back

True

Front

What is the substance through which a wave transfers its energy?

Back

Medium

Front

What does amplitude refer to in a wave?

Back

The height of the wave from its rest position.

Front

What is frequency in the context of waves?

Back

Frequency is the number of waves that pass a point in one second.

Front

What is wave height?

Back

Wave height is the distance from the crest to the trough of a wave.

Front

What is the relationship between wavelength and frequency?

Back

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

Front

What are surface waves?

Back

Surface waves are waves that travel along the surface of a medium, such as water.