summerparker83
summerparker83 summerparker83
  • 01-01-2017
  • Physics
contestada

Which type of electromagnetic radiation cannot be focused? 
  A. Gamma rays  
 B. X-rays   
C. Ultraviolet 
  D. Infrared

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  • 01-01-2017
X-Rays and Gamma Rays
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