Final Exam Review

How do you measure the amplitude of a wave?

• measure from crest to trough

• measure from midline to crest or trough

• measure from crest to crest

• measure from trough to trough

How many waves are in this diagram?

• 4

• 5

• 6

• 4.5

What is the formula for wave speed?

• Wave speed = Frequency x Wavelength

• Wave speed = Frequency / Wavelength

• Wave speed = Wavelength / Frequency

• Wave speed = Frequency + Wavelength

If a wave has a wavelength of 1 m and a frequency of 5 Hz, what is its speed?

• 0.2 m/s

• 5 m/s

• 6 m/s

• 0.5 m/s

Which of the following best describes a transverse wave?

• A wave where the particle displacement is perpendicular to the direction of wave propagation

• A wave where the particle displacement is parallel to the direction of wave propagation

• A wave that requires a medium for propagation

• A wave that does not require a medium for propagation

Which of the following best describes a longitudinal wave?

• A wave that moves the medium in a direction perpendicular to the direction of the wave

• A wave that moves the medium in a direction parallel to the direction of the wave

• A wave that does not require a medium

• A wave that is visible to the human eye

In which direction do these points move on this wave?

• Up

• Down

• Left

• Right

In what medium do sound waves travel the fastest?

• Air

• Water

• Steel

In what medium do light waves travel the fastest?

• Water

• Glass

• Vacuum

• Air

Identify the compressions and rarefactions on this wave.

• Dark spots = compressions

  Light spots = rarefactions

• Dark spots = rarefactions

  Light spots= compressions