Properties of Sound

Which of the following frequencies will you hear as the highest pitch?

• 50 Hz

• 10 000 Hz

• 15 000 Hz

• 30 000 Hz

Which sound wave property is most related to loudness?

• Amplitude

• Wave speed

• Frequency

• Wavelength

Which of the following quantities does pitch and loudness of a sound depend upon?

• Pitch depends on Amplitude and Loudness depends on frequency

• Pitch depends on Amplitude and Loudness depends on Amplitude

• Pitch depends on frequency and Loudness depends on amplitude

• Pitch depends on frequency and Loudness depends on frequency

Which of the following is a unit of frequency?

• Meters (m)

• Hertz(Hz)

• Decibels (dB)
  

• Watts/squared meter(W/m2)

The number of times a vibration occurs each second is the ________.

• amplitude

• frequency

• pitch

• loudness

Loudness depends on ______

• frequency

• sound

• pitch

• sound intensity

Which is the amount of energy that passes through a certain area in a specific amount of time?

• Amplitude

• Sound intensity

• Loudness

• Decibel

For a longitudinal wave, how close together the particles of the medium are in the compressions determines which property of the wave?

• Amplitude

• Frequency

• Wave length

• Wave speed

Which of the following is true regarding the sound intensity and loudness for a sound wave with tight, dense compressions?

• Sound intensity is low and loudness is low

• Sound intensity is low and loudness is high

• Sound intensity is high and loudness is high

• Sound intensity is high and loudness is low

The figure below shows two sounds. One with low amplitude and the other with high amplitude.Which of them represents a soft sound?

• Low amplitude because the molecules are less compressed

• Low amplitude because the molecules are more compressed

• High amplitude because the molecules are less compressed

• High amplitude because the molecules are more compressed