Exam 6: Nuclear Physics

A stretched string can have ______________ natural frequency(ies).

A certain radio wave has a frequency of 1.03 MHz. What is the wavelength?

If a sound level increases by 30 dB, the intensity increases by a factor of ______________.

A series of ocean waves, each 6.0 m from crest to crest and moving past an observer at a rate of 2.0 waves per second, has what speed?

The intensity of a 70-dB whistle is quintupled. What is the new decibel level?

Which of the following electromagnetic radiations has the greatest frequency?

A sound level of 93 dB is how many times as intense as one of 73 dB?

The intensity of a 70-dB whistle is doubled. What is the new decibel level?

Resonance occurs when

A radar pulse returns 3.0 $\times$ 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?

The intensity of a 80-dB whistle is doubled. What is the new decibel level?

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

A disturbance in particle motion parallel to the wave velocity is called a

Standing waves can be set up in a string when two waves that are

Sound is a(n) ______________ wave.

Of the two main types of waves, light is a(n) ______________ wave.

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

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

A sound with a frequency of 1000 Hz is in the ______________ region of the sound spectrum.

A Doppler red shift indicates