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1A physical medium is necessary for the transmission of all kinds of waves.
A)True
B)False



2The speed of a wave in a string is a function of the linear density of the string but is really independent of the actual length of the string.
A)True
B)False



3In a longitudinal wave, the wavelength is equal to the distance between adjacent condensations or between adjacent rarefactions.
A)True
B)False



4Increasing the frequency of a wave results in a decrease in its wavelength if other parameters are held constant.
A)True
B)False



5For a standing wave, the distance between adjacent nodes or between adjacent antinodes is equal to the wavelength.
A)True
B)False



6The superposition principle applies only for transverse waves.
A)True
B)False



7The third harmonic is equivalent to the second overtone when characteristic frequencies are described for a vibrating string.
A)True
B)False



8Constructive interference results in a wave of greater energy than the sum of the energies of its component waves.
A)True
B)False



9Standing waves are the result of constructive interference.
A)True
B)False



10If the frequency of a wave is doubled and other parameters remain the same, the energy of the wave per unit of length will be quadrupled.
A)True
B)False



11In a longitudinal wave, the individual particles of the medium move
A)in circles
B)in elipses
C)parallel to wave propagation
D)perpendicular to wave propagation



12For a vibrating string, the third overtone will be the same as the
A)second harmonic
B)third harmonic
C)fourth harmonic
D)fifth harmonic



13Two particles along a wave train are in phase if they have the same
A)displacement
B)speed
C)amplitude
D)energy



14A longitudinal wave traveling at 300 m/s has a wavelength of 2 m. Its frequency is
A)100 Hz
B)150 Hz
C)167 Hz
D)600 Hz



15If 120 waves strike a wall in 1 min and the distance between adjacent crests is 2 m, the speed of the waves is
A)2 m/s
B)4 m/s
C)8 m/s
D)30 m/s



16A flexible cable 20 m long weighs 16 N and is stretched between two poles with a force of 450 N. The speed of a transverse wave through this medium is
A)16 m/s
B)23.7 m/s
C)57.3 m/s
D)74.2 m/s



17If the frequency of the fundamental for a vibrating string is 200 Hz, the second overtone has a frequency of
A)200 Hz
B)400 Hz
C)600 Hz
D)800 Hz



18A metal string of mass 250 g and length 25 cm is under a tension of 400 N. The fundamental frequency for this string is
A)40 Hz
B)400 Hz
C)126 Hz
D)800 Hz



19The rate at which energy is propagated down a string is not dependent on the
A)frequency
B)amplitude
C)linear density
D)length of the string



20The ratio of the wavelength to the period is a measure of
A)frequency
B)speed
C)period
D)amplitude



21In a(n) wave, the vibration of the individual particles is perpendicular to the direction of wave propagation.



22The speed of a wave in a vibrating string is equal to the square root of the divided by the .



23The distance between any two particles that are in phase is known as the .



24The energy transmitted per unit length of a string is proportional to the square of the and to the square of the .



25For characteristic frequencies of a vibrating string, the fifth harmonic is the overtone.



26When two or more waves interfere, the resultant at any point in time is the algebraic sum of the of each wave. This is a statement of the principle.



27For a standing wave, the points along a vibrating string that remain at rest are called . The points where the amplitude is a maximum are called .



28The speed of any wave may be found from the product of and .



29For a standing wave, the wavelength of the component waves is the distance between alternate or between alternate .



30The characteristic frequencies consisting of the fundamental and all its overtones are known as the series.







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