Waves & Sound Review

The graph below shows the amplitude of a wave over a period of 5 seconds.

• 3 cm

• 7 cm

• 9 cm

• 11 cm

Tags

NGSS.HS-PS4-1

The graph below shows the position of a wave for 4 seconds. The frequency of the wave is

• 0.25 Hz

• 0.5 Hz

• 1 Hz

• 2 Hz

Tags

NGSS.HS-PS4-1

The graph below shows the position of a wave for 4 seconds. Based on the graph, the wavelength is

• 0.5 meters

• 1 meter

• 2 meters

• 4 meters

Tags

NGSS.HS-PS4-1

A periodic wave has a frequency of 25 Hz and a speed of 50 m/s. What is the wavelength of the wave?

• 0.5 m

• 2.0 m

• 1.0 m

• 0.25 m

Tags

NGSS.HS-PS4-1

A sound wave in a concert hall has a frequency of 500 Hz and a wavelength of 0.68 m. What is the speed of the sound wave?

• 200 m/s

• 300 m/s

• 340 m/s

• 400 m/s

Tags

NGSS.HS-PS4-1

What phenomenon is observed when a sound source moves away from a stationary observer?

• a steady drop in pitch.

• a sudden rise in pitch.

• a drop in pitch, then a rise in pitch.

• a rise in pitch, then a drop in pitch.

Tags

NGSS.HS-PS4-1

On a day when the speed of sound is 340 m/s, a ship sounds its whistle. The echo of the sound from a nearby cliff is heard at the ship 8.0 s later. How far is the ship from the cliff?

• 68 m

• 136 m

• 1360 m

• 2720 m

Tags

NGSS.HS-PS4-1

Use the image below to answer the question. This type of wave is a ____________ wave.

• transverse

• noda;

• braided

• standing

Tags

NGSS.HS-PS4-1

Use the image below to answer the question.

How many nodes are in the standing wave?

• four nodes

• three nodes

• five nodes

• six nodes

Tags

NGSS.HS-PS4-1

Two sound waves combine to create a louder sound than either of them individually. What is this a good example of?

• Resonance

• Constructive interference

• Wave-boundary interaction

• Destructive interference