Quiz 11.1-11.4

What type of wave is a sound wave?

• Longitudinal

• Transverse

• Amplitude

• Crest

What part of the wave is shown by the letter J in the picture above?

• Crest

• Trough

• Amplitude

• Wavelength

What part of a wave is shown by the letter G in the picture above?

• Crest

• Trough

• Amplitude

• Wavelength

What part of the wave is shown by the letter F in the picture above?

• Crest

• Trough

• Amplitude

• Wavelength

What part of the wave is shown by the letter H in the picture shown above?

• Crest

• Trough

• Amplitude

• Wavelength

What kind of wave is shown in the picture above?

• Longitudinal

• Transverse

• Crest

• Amplitude

What is the frequency of a sound that has a wavelength of 0.692 m and is traveling through air with a temperature of 25.0°C?

• 1.20 x 10⁴ Hz

• 501 Hz

• .00200 Hz

• 240. Hz

If a sound wave of frequency 525 Hz has a wavelength of 0.697 m, what is the temperature of the air through which the wave is traveling?

• 1.10 ºC

• 20.9 ºC

• 56.9 ºC

• 366 ºC

A flutist is playing a “middle C” which has a frequency of 551 Hz. The flutist is standing in the bed of a pickup truck, which is moving away from you with a speed of 32.6 m/s. What frequency do you hear? (T = 25.0 °C)

• 499 Hz

• 603 Hz

• 608 Hz

• 504 Hz

What do you call frequencies that are higher than those we can detect?

• Infrasonic

• Supersonic

• Ultrasonic

• Sonic