30 questions
Determine the length of guitar string (L), required to produce a fundamental frequency (1st harmonic) of 256 Hz. The speed of waves in a particular guitar string is known to be 405 m/s.
2 m
0.79 m
1.58 m
1.2 m
A periodic disturbances that carry energy through matter or space
crest
energy
wave
trough
Consider the standing wave pattern shown below. A wave generated at the left end of the medium undergoes reflection at the fixed end on the right side of the medium. The number of antinodes in the diagram is _____.
3
5
6
7
Constructive interference of waves occurs when two crests meet.
False
True
If the frequency of the first harmonic is 148 Hz, What is the frequency of the 3rd harmonic?
296 Hz
444 Hz
148 Hz
This picture is an example of which type of wave?
transverse wave
longitudinal wave
ocean wave
I do not know and do not wish to answer.
A physics student takes her pulse and determines that her heart beats periodically 60 times in 60 seconds. The period of her heartbeat is
1 Hz
60 Hz
1 s
60 s
The diagram shows waves A and B in the same medium.
Compared to wave A, wave B has
twice the amplitude and twice the wavelength
twice the amplitude and half the wavelength
the same amplitude and half the wavelength
half the amplitude and the same wavelength
A ship anchored at sea is rocked by waves that have crests 14 m apart. The waves travel at 7.0 m/s. At what frequency do the waves reach the ship?
21 Hz
7 Hz
2 Hz
0.5 Hz