Physics 8 - Review on Sound Waves

What type of wave is a sound wave?

• Transverse

• Longitudinal

• Surface

• Electromagnetic

What medium does sound travel fastest through?

• Air

• Water

• Steel

• Vacuum

What is the frequency of a sound wave measured in?

• Meters

• Seconds

• Hertz (Hz)

• Decibels (dB)

The distance between two consecutive compressions or rarefactions in a sound wave is called the...

• Amplitude

• Wavelength

• Frequency

• Velocity

Which characteristic of a sound wave determines the pitch of the sound?

• Amplitude

• Frequency

• Wavelength

• Velocity

Which of the following will NOT increase the loudness of a sound?

• Increasing the amplitude

• Increasing the frequency

• Moving closer to the source

• Using a larger speaker

How does the human ear perceive the frequency of a sound wave?

• As loudness

• As pitch

• As duration

• As echo

In which of the following environments would sound waves travel the slowest?

• Outer space

• Underwater

• On a mountain

• In a steel pipe

Why can sound not travel through a vacuum?

• There is too much pressure

• There is no medium to carry the sound

• The temperature is too low

• Sound needs light to travel

If two sound waves have the same frequency but different amplitudes, what will differ between them?

• Pitch

• Speed

• Loudness

• Wavelength