The apparent change in wavelength of radiation caused by the relative motions of the source and the observer is referred to as ____________.

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     Newtons law of radiationn
      the acceleration factor
      the Doppler effect
      relativity
      Hubbles laww
asked Jun 13, 2012 in Geography by anonymous
    

1 Answer

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the Doppler effect
answered Jun 15, 2012 by Geodude ~Top Expert~ (9,680 points)



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