A Physics Toolkit

Practice Test
      
  1.The multiplier for SI units with the prefix deci is __________.  
  a.   1/100  
  b.   1/10  
  c.   10  
  d.   100  
  Hint    
      
  2.__________ describes how well the results of an experiment agree with the standard value.  
  a.   Parallax  
  b.   Accuracy  
  c.   Precision  
  d.   Significance  
  Hint    
      
  3.According to Figure 1-16, if a mass of 45.0 g were hung on the spring, how long would the spring be?  
  a.   3.6 cm  
  b.   576 cm  
  c.   46.1 cm  
  d.   17.3 cm  
  Hint    
      
  4.The point at which a line crosses the y-axis is the __________.  
  a.   y-intercept  
  b.   parallax  
  c.   rise  
  d.   slope  
  Hint    
      
  5.The valid digits in a measurement are called __________.  
  a.   significant digits  
  b.   uncertain digits  
  c.   powers of 10  
  d.   scientific notation  
  Hint    
      
  6.What value is calculated by dividing rise by run?  
  a.   the slope of a straight line  
  b.   angular velocity  
  c.   length of a straight line  
  d.   acceleration of a moving object exhibiting uniform motion  
  Hint    
      
  7.The apparent shift in the position of an object when it is viewed from different angles is caused by __________.  
  a.   parallax  
  b.   imprecise measurement  
  c.   inaccuracy  
  d.   faulty instruments  
  Hint    
      
  8.__________ describes the degree of exactness in a measurement.  
  a.   Significance  
  b.   Parallax  
  c.   Accuracy  
  d.   Precision  
  Hint    
      
  9.Combinations of SI base units are called __________.  
  a.   straight measurements  
  b.   base quantities  
  c.   dimensional analogs  
  d.   derived units  
  Hint    

 
   
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