12th Class Physics EM Waves

  • question_answer 19)
                     If  and  represent electric and magnetic       field vectors of the electromagnetic wave,  the direction of propagation of electromagnetic wave is along (a)                                     (b)   (c)                              (d)

    Answer:

      (d)The direction of propagation of electromagnetic wave is perpendicular to  both electric field vector and magnetic field vector , i-e., in the direction of      


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