ch10 -...

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  MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  1) 
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How many  vibrations  per second  are  associated  with a 101 - MHz radio  wave? 
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1)  _______  A)  1 0 1 ,00 0,0 00  m o r e than  101,000, 00 
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less than 101,000,000    2) 
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If the  frequency of  a certain  wave is 10  Hz, its  period is 
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2)  _______  A) 
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10 s. 
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B)  0.1 s. 
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100 s. 
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D)  none of  these    3
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A 60  vibration per  second wave  travels 30 m  in 1 s. Its  frequency is 
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3)  _______  A)  3 0   H z   a n d it  tra vel s at  60  m/ s.  6 H z and it  travels at  30 m/s. 
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neither of these    4) 
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A mass on  the end of a  spring bobs  up and down  1 complete  cycle every  2 s.  Its  frequency is 
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4)  _______  A) 
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0.5 Hz. 
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B) 
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2 Hz. 
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C)  neit he of  hese    5) 
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The  pendulum  with the  greatest  frequency is  the  pendulum  with the 
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5)  _______  A) 
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shortest length. 
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B)  shortest  period. 
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both of these 
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D)  neither  of these    6
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The  frequency of  the second  hand on a  clock is 
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6)  _______  A) 
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1/60 Hz. 
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B) 
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1 Hz. 
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ch10 -...

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