Exam 6: Waves and Sound

For the Doppler effect to occur,there must be

Wave period is the reciprocal of

A sound with a frequency of 25 kHz is in the ______________ region of the sound spectrum.

In general,the speed of sound increases as the density of a medium ______________.

An increase of 20 dB increases the sound intensity by a factor of

Light waves travel fastest in

All waves transfer ______________.

Electromagnetic waves are

A series of ocean waves are moving past a surfer at a frequency of 40 waves per hour.Approximately how many waves would the surfer expect during 48 minutes?

The loudness of a sound wave is determined by its ______________.

Which of the following electromagnetic radiations has the greatest frequency?

Wave amplitude is related to

Wave frequency could be given in

The radiation given off by the nucleus of an atom is called

For a transverse mechanical wave,the particle motion is

A Doppler red shift indicates

Which of the following radiations has the smallest wavelength?

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

Approximately how many times faster is the speed of light in vacuum than the speed of sound in air?

When an oscillator is driven in resonance,