Physics 221 Worksheet: Chapters 11-12, Oscillators
1) The distance from the equilibrium position of an oscillator to a turning point is called the
a) amplitude.
b) frequency.
c) period.
d) energy.
2) Two oscillators have the same mass but the period of oscillator A is twice that of B. The spring constant of A is
a) 4 times that of B.
b) 2 times that of B.
c) half that of B.
d) one fourth that of B.
3) You know the frequency of an oscillator. What can you calculate using only this information?
a) amplitude
b) period
c) spring constant
d) energy
4) As an oscillator moves from +A toward the equilibrium position it is
a) gaining kinetic energy and losing potential energy.
b) gaining potential energy and losing kinetic energy.
c) gaining both kinetic and potential energy.
d) losing both kinetic and potential energy.
5) The period of a spring oscillator depends on
a) spring constant and amplitude only.
b) mass and energy only.
c) mass and spring constant only.
d) energy and amplitude only.
6) Hertz is the unit of
a) amplitude.
b) energy.
c) period.
d) frequency.
7) If two oscillators have the same mass and spring constant, they must also have the same
a) energy.
b) frequency.
c) amplitude.
d) velocity.
8) If two oscillators have the same amplitude and maximum velocity, they must also have the same
a) energy.
b) frequency.
c) spring constant.
d) mass.
Ans: 1-a, 2-d, 3-b, 4-a, 5-c, 6-d, 7-b, 8-b
Physics 221 Worksheet: Chapters 11-12, Waves
See some examples of waves and music at http://www.jimloy.com/physics/harmony.htm
1) The distance from one crest to the next is called the
a) period.
b) frequency.
c) wavelength.
d) amplitude.
e) speed.
2) The product of wavelength and frequency is
a) period.
b) amplitude.
c) energy.
d) decibels.
e) speed.
3) The intensity of one sound wave is 10 times that of another.
a) It will sound 10 times as loud.
b) It will sound twice as loud.
c) It will sound equally loud.
d) It will sound half as loud.
4) One sound is twice as loud as another. The second sound has an intensity level of 40 dB. The intensity level of the first sound is
a) 80 dB.
b) 50 dB.
c) 43 dB.
d) 40 dB.
5) The energy of a wave is related to its
a) period.
b) frequency.
c) wavelength.
d) amplitude.
e) speed.
6) Which of the following is not a possible standing wavelength in a string 60 cm long?
a) 120 cm
b) 60 cm
c) 50 cm
d) 30 cm
7) If the fifth harmonic frequency of a vibrating string is 1500 Hz, the third harmonic is
a) 900 Hz.
b) 600 Hz.
c) 500 Hz.
d) 300 Hz.
8) The positions of maximum amplitude of a standing wave are called
a) antinodes.
b) nodes.
c) turning points.
d) crests.
Ans: 1-c, 2-e, 3-b, 4-c, 5-d, 6-c, 7-a, 8-a