Question 1

The distance from one compression to the next is called?

Accepted Answer

wavelength

Answer

frequency

Answer

amplitude

Answer

medium

Question 2

What happens during reflection?

Accepted Answer

Waves bounce off a surface.

Answer

Waves bend when changing medium.

Answer

Waves are absorbed by the material.

Answer

Waves pass through an object.

Question 3

Loudness is measured in a unit called?

Accepted Answer

decibel

Answer

hertz

Answer

newton

Answer

joule

Question 4

What is resonance?

Accepted Answer

Increase in vibration amplitude when external vibrations match an object's natural frequency.

Answer

Change in wave direction at a boundary.

Answer

Bounce of waves from a material.

Answer

Absorption of waves by a surface.

Question 5

Which of the following is NOT a property of waves?

Accepted Answer

Mass

Answer

Amplitude

Answer

Frequency

Answer

Wavelength

Question 6

Where does destructive interference occur in standing waves?

Accepted Answer

Nodes

Answer

Antinodes

Answer

Trough

Answer

Crest

Question 7

Sound waves, like water waves, spread out after passing through an opening because of?

Accepted Answer

diffraction

Answer

absorption

Answer

reflection

Answer

refraction

Question 8

Which factor affects the pitch of a sound?

Accepted Answer

Frequency

Answer

Amplitude

Answer

Volume

Answer

Length

Question 9

Electromagnetic waves require a medium to travel. (True/False)

Accepted Answer

False

Answer

Correct statement is: Electromagnetic waves do not require a medium.

Answer

True

Question 10

As frequency increases, the wavelength of a wave increases. (True/False)

Accepted Answer

False

Answer

Correct statement is: As frequency increases, the wavelength decreases.

Answer

True

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