Sound Waves Physical Science

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

If a wave has 12 waves come past in 3 seconds, what is the waves frequency?

• 3 Hz

• 12 Hz

• 15 Hz

• 9 Hz

• 4 Hz

Tags

NGSS.HS-PS4-1

Which feature of a wave increases as wavelength decreases (assuming wave speed stays the same)?

• Amplitude

• Compression

• Equilibrium

• Frequency

Tags

NGSS.HS-PS4-1

What is represented by letter A?

• Crest

• Trough

• Rarefaction

• Compression

• Wavelength

Tags

NGSS.HS-PS4-1

What do we call it when a wave changes directions because it is spreading out into a larger space after passing a barrier or through a small opening?

• Refraction

• Reflection

• Rarefaction

• Diffraction

• Interfraction

When waves reflect, the angle they strike a surface at is ___ the angle they leave the surface at.

• Equal to

• Less than

• Greater than

• Not related to

What type of interference is being shown in the picture?

• Constructive

• Destructive

What type of interference is occurring in the picture?

• Constructive

• Destructive

Tags

NGSS.HS-PS4-5

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

• 34 m/s

• 3400 Hz

• 3.4 Hz 

• 34 Hz

Tags

NGSS.HS-PS4-1