Sound Physical Science

Which of the following is the main factor that affects the speed of a wave?

• the pitch of sound

• the loudness of sound

• the amplitude of sound

• the properties of the medium the sound travels through

Tags

NGSS.HS-PS4-1

What is the wavelength of a 264-Hz sound wave when the speed of sound is 345 m/s ? (v = λ⋅f)

• 0.77m

• 1.31m

• 6.09m

• 9.11m

Tags

NGSS.HS-PS4-1

Through which medium does sound travel fastest?

• gas

• liquid

• solid

• vacuum

Tags

NGSS.MS-PS4-2

Which letter represents the wavelength?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS4-1

When sound travels through the air, the sound wave moves in the same direction that it displaces particles. Sound is a ___ wave.

• electromagnetic

• longitudinal

• transverse

• surface

What type of interference is being shown in the picture?

• Constructive

• Destructive

Tags

NGSS.HS-PS4-1

The amount of energy a sound wave carries per second through a unit of area is its ______________.

• pitch

• intensity

• loudness

• frequency

Loudness of waves is measured in ______________.

• hertz

• decibels

• watts

• meters/second

The apparent change in frequency as a wave source moves in relation to the listener is the ___________.

• Doppler Effect

• Doppler Radar

• Doppelganger

Tags

NGSS.HS-PS4-1

What occurs when vibrations traveling through an object match the object's natural frequency?

• reflection

• diffraction

• resonance

• refraction