Topic Test

Question 1

The frequency of a sound wave determines

Revolt · Accepted Answer

the pitch of the sound.

Question 2

The pitch of a sound is most closely related to the

Revolt · Accepted Answer

frequency of vibrations.

Question 3

A child is sending pulses down a stretched rope at a rate of 2 pulses per second. The distance between the pulses is 5 meters. What is the speed of the wave?

Revolt · Accepted Answer

10 m/s

Question 4

A combination of sounds with distinct pitches and a specific pattern is ____.

Revolt · Accepted Answer

music

Question 5

Longitudinal seismic waves are known as

Revolt · Accepted Answer

primary waves.

Question 6

Waves that move the particles of the medium parallel to the direction in which the waves are traveling are called

Revolt · Accepted Answer

longitudinal waves.

Question 7

In which direction(s) do seismic waves travel from their point of origin?

Revolt · Accepted Answer

in all directions

Question 8

Which type of musical instrument produces music by amplifying the vibration of attached cords?

Revolt · Accepted Answer

stringed

Question 9

A sound wave is made of a series of compressions and

Revolt · Accepted Answer

rarefactions.

Question 10

The unique sound quality of a clarinet or a violin is caused by the

Revolt · Accepted Answer

relative intensity of different harmonics in each note.

Topic Test Answers

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