12th Class Physics EM Waves

  • question_answer 8)
    Suppose that the electric field amplitude ofan electromagnetic wave is and that its frequency is . (a)Determine, and . (b) Findexpressions for E and B.  

    Answer:

    (a) (i) Using  we get                                                 i.e.,                 (ii)                                 rad                 (iii)                 rad                 (iv)                 i.e.,                 (b) , with usual units and with usual units.  


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