Properties of Sound

Question 1

What does resonance result in?

Revolt · Accepted Answer

louder sounds

Question 2

Four people are spaced at different distances from where a dog is barking. The barking will sound the loudest to the person who is standing

Revolt · Accepted Answer

1 m away.

Question 3

What increases as sound waves increase in frequency?

Revolt · Accepted Answer

pitch

Question 4

most likely

Revolt · Accepted Answer

the Doppler effect

Question 5

Shelli is a student describing the resonance of a metal beam. She demonstrates that the sound dims when the beam is vibrated at a certain frequency.

Revolt · Accepted Answer

“This is not the natural frequency of the beam.”

Question 6

Which refers to the change of pitch heard when the source of the sound approaches and then moves away from a stationary person?

Revolt · Accepted Answer

Doppler effect

Question 7

Which refers to the highness or lowness of a sound?

Revolt · Accepted Answer

pitch

Question 8

Four different observers are standing in a straight line on a street and hear a siren from a police car. Each person recorded their observations in the chart shown.

Revolt · Accepted Answer

Wycleff is on block 1, Lilly is on block 4, Emilia is on block 12, and Quincy is on block 17.

Question 9

Dewayne, a pianist, wants to compare sound quality. Which scenario describes how he could do this?

Revolt · Accepted Answer

He plays the same note on two different pianos at the same volume.

Question 10

How is a less-intense wave different from a more-intense wave?

Revolt · Accepted Answer

It has fewer decibels.

Properties of Sound Answers

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