Lesson 28: The Wave Equation

Amplitude affects the speed of a wave.

• True

• False

A wave with frequency 510. Hz and wavelength 1.50 m has a speed of:

• 765 m/s

• 760 m/s

• 1000 m/s

• 0.01 m/s

Tags

NGSS.HS-PS4-1

Wavelength is measured from crest to crest or trough to trough.

• True

• False

In what type of material would a sound wave travel the slowest?

• Steel

• Water

• Ice

• Steam

If a wave vibrates 4 times per second with a wavelength of 2 meters, what is its speed?

Tags

NGSS.HS-PS4-1

Explain what happens to wave speed if the medium changes from air to water. (Lesson 29)

Tags

NGSS.MS-PS4-2

Frequency and wavelength are directly proportional.

• True

• False

Tags

NGSS.HS-PS4-1

What does not affect the speed of sound?

• Temperature

• Density

• Frequency

• Elasticity

The restoring force helps particles return to their original position after a wave passes.

• True

• False

Which material has the highest bulk modulus?

• Air

• Water

• Steel

• Foam