Wave Properties and Sound Review

The two pulses shown at the right are moving in opposite directions along the same medium. When they meet, _____ interference will occur.

• doppler

• resonance

• destructive

• constructive

The two pulses shown at the right are moving in opposite directions along the same medium. When they meet, _____ interference will occur.

• destructive

• constructive

• doppler

• resonance

Compared to the length of the closed air column, the wavelength of the sound wave that produces a standing wave is -

• one-half as great

• twice as great

• one-fourth as great

• four times as great

If the amplitude of a sound wave is increased, what change would happen to the sound?

• the sound would increase in loudness

• the sound would decrease in loudness

• the sound would have a higher pitch

• the sound would have a lower pitch

If the frequency of a sound wave is increased, what change would happen to the sound?

• the sound would increase in loudness

• the sound would decrease in loudness

• the sound would have a higher pitch

• the sound would have a lower pitch

The length of the vibrating air column is shortened. The sound wave produced by the shortened air column will have an increase in -

• frequency

• wavelength

• amplitude

• speed

A vibrating object makes 40 complete back and forth vibrations in 10 seconds. The frequency of vibration for the object is _____ Hertz.

• 1

• 4

• 50

• 400

Consider Diagram A and Diagram B above. Compared to the wave in Diagram B, the wave in Diagram A has -

• the same amplitude and a larger wavelength.

• a larger amplitude and smaller wavelength.

• a smaller amplitude and the same wavelength.

• the same amplitude and a smaller wavelength.

Consider Diagram A and Diagram B above. Compared to the wave in Diagram B, the wave in Diagram A has -

• the same amplitude and a larger wavelength.

• a larger amplitude and smaller wavelength.

• a smaller amplitude and the same wavelength.

• the same amplitude and a smaller wavelength.

In the diagram which letters represent the nodes

• A B C

• A C E

• B D

• B D E

• A C D