Physics-
General
Easy

Question

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2 cross times 10 to the power of 10 end exponent Hz and amplitude 48 V/m The amplitude of oscillating magnetic field will be

  1. fraction numerator 1 over denominator 16 end fraction cross times 10 to the power of negative 8 end exponent W b divided by m to the power of 2 end exponent    
  2. 16 cross times 10 to the power of negative 8 end exponent W b divided by m to the power of 2 end exponent    
  3. 12 cross times 10 to the power of negative 7 end exponent W b divided by m to the power of 2 end exponent    
  4. fraction numerator 1 over denominator 12 end fraction cross times 10 to the power of negative 7 end exponent W b divided by m to the power of 2 end exponent    

The correct answer is: 16 cross times 10 to the power of negative 8 end exponent W b divided by m to the power of 2 end exponent

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