Sound Waves CFA cloned 12/12/2021

Last updated about 4 years ago

13 questions

Note from the author:

Sound Waves CFA

Instructions

Choose the best answer for the following questions

Library

Sound Waves CFA cloned 12/12/2021

Last updated about 4 years ago

13 questions

Note from the author:

Sound Waves CFA

Instructions

Choose the best answer for the following questions

Question 1

Longitudinal waves that are caused by vibrations and travel through a medium are called ______________.

amplitude

hertz

pitch

sound wave

decibel

Question 2

The complete back and forth motion of an object is called a _______________.

absorbed

vibration

reflection

ecolocation

refracted

Question 3

A ______________ is a substance through which a wave can travel.

vibration

medium

frequency

sound

Question 4

The unit used to measure how loud or soft a sound is called.

amplitude

hertz

pitch

decibel

sound

Question 5

__________________ is created by vibrating molecules through a medium.

vibration

medium

frequency

sound

Question 6

The unit uded to measure frequency is called ______________.

amplitude

hertz

pitch

decibel

sound 

Question 7

______________ is a measure of how well a sound can be heard.

vibration

medium

frequency

sound

loudness

Question 8

The larger the _____________, the louder the sound.

amplitude

hertz

pitch

decibel

sound wave

Question 9

______________ is a measure of how high or low a sound is perceived to be.

amplitude

hertz

pitch

sound wave

decibel

Question 10

10.

Softer surfaces reflect __________ sound, than harder surfaces.

more

less

Question 11

11.

Harder surfaces reflect _______________ sound, than softer surfaces.

more

less