18. Waves & Sound

Which phenomenon distinguishes longitudinal waves from transverse waves?

Which combination of air conditions allows sound to travel fastest: warm and humid air, warm and dry air, cold and humid air, or cold and dry air?

Which type of wave requires matter to carry energy?

Which type of wave is primarily demonstrated when a slinky is stretched out and a pulse is sent along its length?

Which type of wave has oscillations that are parallel to the direction of wave propagation?

Which of the following best describes the difference between a longitudinal wave and a transverse wave?

$\text{Which of the following is an example of a longitudinal wave?}$

Which of the following examples contains only longitudinal waves?

High frequency sounds primarily vibrate which of the following parts of the ear?

In which direction do longitudinal waves transfer energy relative to the direction of wave motion?

Which of the following best describes the difference between longitudinal and transverse waves?

A sound wave travels through water. What best describes the direction of motion of the water particles relative to the direction of wave propagation?

Which of the following is an example of a longitudinal wave?

A sound wave is emitted at a frequency of 300 Hz in air at a 0°C. As the sound wave travels through the air, the temperature increases. What is the wavelength of the sound wave at the following temperatures?

a. 0°C
b. 20°C
c. 45°C