Sound and Acoustics

Front

Sound is this type of wave

Back

longitudinal

Front

An echo is an example of

Back

reflection of sound

Front

When sound is absorbed by a material

Back

It is converted to heat energy

Front

acoustics

Back

the study of sound

Front

transmission of sound

Back

sound source, medium, receiver

Front

law of reflection

Back

the angle of incidence is equal to the angle of reflection

Front

Ultrasound

Back

Sound waves with frequencies above 20,000 Hz.

Front

Sound waves travel faster in

Back

solids

Front

Compression

Back

The part of a longitudinal wave where the particles of the medium are close together.

Front

Source of a sound wave

Back

Vibrations