AnswersPhysical ScienceProperties of Sound

Pretest Answers

10 verified answers
2
Free Preview

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

A
It has more volume.
B
It has more energy.
C
It has fewer decibels.
D
It has a higher pitch.
5

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

A
He plays two different notes on two different pianos at a different volume.
B
He plays the same note on the same piano at a different volume.
C
He plays the same note on two different pianos at the same volume.
D
He plays two different notes on the same piano at the same volume.
7

What is the difference between sounds that have the same pitch and loudness?

A
the natural frequency
B
the sound quality
C
the resonance
D
the standing wave
8

Nico vibrates an object at different frequencies. At a certain frequency, the sound gets louder and then returns to the same volume when he moves to the next frequency. What is occurring when the sound gets louder?

A
The amplitude of the wave is doubling.
B
A standing wave is being generated.
C
The natural frequency of the object is changing.
D
Pitch is producing the louder sound.
9

What does resonance result in?

A
amplitude
B
quieter sounds
C
louder sounds
D
frequency

Did you find these answers helpful?