Exam 6: Waves and Sound

The relationship of wave speed, wavelength, and frequency is given by ______________.

Sounds with frequencies higher than the human ear can detect are in the ______________ range.

What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 68 m?

How many times greater is the speed of red light (λ = 700 nm) than the speed of violet light (λ = 400 nm) in a vacuum?

Which of the following sound frequencies lie(s) outside the audible range?

When a jet plane exceeds the speed of sound, a(n) ______________ forms, resulting in a sonic boom.

Which of the following characterize(s) a wave?

If a wave has a period of 0.077 sec, it has a frequency of

If a wave has a frequency of 15 Hz, it has a period of

During a thunderstorm, an observer notes that 10 s elapsed between the lightning flash and the sound of the thunder. What is the approximate distance, in miles, from the observer to the lightning?

An observer moving toward a stationary sound source hears a(n) ______________ in frequency.

A wave in which the particle displacement is parallel to the wave motion is called a(n) ______________ wave.

Which of the following radiations has the smallest frequency?

Which of the following electromagnetic radiations has the greatest frequency?

All waves transfer ______________.

What is the wavelength in meters, of a sound wave (v = 340 m/s) with a frequency of 4 Hz?

For the Doppler effect to occur, there must be

What is the frequency of yellow-green light that has a wavelength of 550 nm?

Which of the following sound frequencies lie(s) in the audible range?

A radar pulse returns 3.0 × 10^-4 s after it was sent out and reflected by an object. What is the separation distance of the radar source and the object?