Nuclear Physics

Practice Test
      
  1.Which decay does not result in transmutation?  
  a.   nuclear  
  b.   gamma  
  c.   beta  
  d.   alpha  
  Hint    
      
  2.Why isn't the mass of argon (39.948 u) a whole number?  
  a.   There are partial neutrons.  
  b.   There are partial protons.  
  c.   The mass of the electrons must be considered.  
  d.   There are isotopes.  
  Hint    
      
  3.According to Figure 30-4, what percentage of the original sample of a radioactive substance would be left after 10 half-lives?  
  a.   10%  
  b.   12.5%  
  c.   0.09%  
  d.   5%  
  Hint    
      
  4.What powers particles through a linear accelerator?  
  a.   electric fields  
  b.   fire  
  c.   wind  
  d.   gasoline  
  Hint    
      
  5.How much energy is released in a reaction that has a mass defect of 8.63×10-4 u? (1 u = 931.49 MeV.)  
  a.   8.04×102 MeV  
  b.   9.26×102 MeV  
  c.   ?8.04×10-1 MeV  
  d.   9.26 × 107 MeV  
  Hint    
      
  6.What causes a pulse of current to travel from a Geiger-Mueller tube?  
  a.   X rays  
  b.   neutrons ionizing gas  
  c.   a charged particle or a gamma ray ionizing gas  
  d.   atoms ionizing gas  
  Hint    

 
   
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