Sound Properties

Which one of these occurs with the doppler effect?

• frequency increases as an object gets closer

• freqency decreases as an object gets closer

• frequency increases as an object gets further away

• frequency does not change due to the doppler effect

Which sound property is shown by this picture?

• Natural Frequency

• Reflection

• Defraction

• Refraction

Youtubers use special foam in their studios to reduce sounds bouncing off their walls. Which sound property are they trying to prevent?

• Recraction

• Diffraction

• Reflection

• Amplitude

What are the units for wavelength?

• m

• m/s

• v

• s

What property of sound causes noise cancellation?

• constructive interference

• destructive interference

• natural frequency

• beats

What describes the sound an object makes when it is struck?

• natural frequency

• beats

• diffraction

• forced vibration