1.) Mechanical waves transport energy from one place to another through:
a.) alternately vibrating particles of the medium
b.) vibrating particles and traveling particles
c.) particles traveling with the wave
d.) none of the above
2.) In (1) ___ waves, the individual particles in the medium move parallel to the direction of travel of the wave. An example of this is (2) ___.
a.) (1) transverse (2) sound
b.) (1) transverse (2) visible light
c.) (1) longitudinal (2) sound
d.) (1) longitudinal (2) visible light
3.) What will happen as the frequency of a wave increases and its speed remains constant?
a.) The wavelength increases.
b.) The wavelength decreases.
c.) The amplitude increases.
d.) The wave period increases.
4.) Waves in a lake are 5.00 m in length and pass an anchored boat 1.25 apart. The speed of the waves is:
a.) 0.25 m/s
b.) 4.00 m/s
c.) 6.25 m/s
d.) 300,000 m/s
5.) Energy from the sun reaches the earth through ___.
a.) infrared waves
b.) ultraviolet rays
c.) mechanical waves
d.) electromagnetic waves
6.) Which of the following is NOT correct about waves?
a.) Waves carry energy from place to place but the particles do not move with the waves.
b.) Waves can be classified as either electromagnetic or mechanical.
c.) Waves have the capacity to transmit messages.
d.) Waves transfer particles (matter) and energy.
7.) Which of the following statements is correct?
a.) The vibrations of a transverse wave move in a direction along the direction of wave travel.
b.) The vibrations of a transverse wave are in a direction perpendicular to the direction of the travel.
c.) The vibrations of a longitudinal wave are in a direction perpendicular to the direction of travel.
d.) Longitudinal waves are also called surface waves.
8.) Some of the wave's energy is always being dissipated as heat which will reduce the wave's ___.
a.) amplitude
b.) frequency
c.) speed
d.) wavelength
9.) The distance traveled by a wave in one period is called?
a.) frequency
b.) period
c.) wavelength
d.) amplitude
10.) Which of the following statements is true about longitudinal waves?
a.) They always have the same frequencies.
b.) They always have the same velocities.
c.) They always have the same wavelengths.
d.) The particles vibrate along the same direction as the wave motion.
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