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Waves And Their Phenomena

18 Questions  I  By Victoriaaxox
Waves and their Phenomena
Different waves and their properties. Follow me 

  
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1.  What is the speed of a radio wave in a vacuum?
A.
B.
C.
D.
2.  If the amplitude of a wave in a rope is doubled, the speed of the wave in the rope will 
A.
B.
C.
3.  A change in the speed of a wave as it enters a new medium produces a change in 
A.
B.
C.
D.
4.  A tuning fork oscillates with a frequency of 256 hertz after being struck by a rubber hammer. Which phrase best describes the sound waves produced by this oscillating tuning fork?
A.
B.
C.
D.
5.  In a vacuum, all electromagnetic waves have the same 
A.
B.
C.
D.
6.  Waves pass through a 10 centimeter opening in a barrier without being diffracted. This observation provides evidence that the wavelength of the waves is
A.
B.
C.
D.
7.  A radar gun can determine the speed of a moving automobile by measuring the difference in frequency between emitted and reflected radar waves. this process illustrates
A.
B.
C.
D.
8.  As a sound wave passes from water, where the speed is 1.49 x 10^3 m/s, into air, the wave's speed 
A.
B.
C.
D.
9.  A wave is diffracted as it passes through an opening in a barrier. the amount of diffraction that the wave undergoes depends on both the 
A.
B.
C.
D.
10.  A source of waves and an observer are moving relative to each other. the observer will detect a steadily increasing frequency if 
A.
B.
C.
D.
11.  Which pair of terms best describes light waves traveling from the Sun to Earth?
A.
B.
C.
D.
12.  Radio waves diffract around buildings more than light waves do because, compared to light waves, radio waves 
A.
B.
C.
D.
13.  The energy of a sound wave is most closely related to its 
A.
B.
C.
D.
14.  A girl on a swing may increase the amplitude of the swing's oscillations if she moves her legs at the natural frequency of the swing. This is an example of
A.
B.
C.
D.
15.  An earthquake wave is traveling from west to east through rock. If the particles of the rock are vibrating in a north-south direction, the wave must be classified as
A.
B.
C.
D.
16.  Which type of wave requires a material medium through which to travel?
A.
B.
C.
D.
17.  A microwave and an x ray are traveling in a vacuum. Compared to the wavelength and period of the microwave, the x ray has a wavelength that is
A.
B.
C.
D.
18.  Compared to the speed of microwaves in a vacuum, the speed of x rays in a vacuum is
A.
B.
C.
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