NEET Sample Paper NEET Sample Test Paper-1

  • question_answer 14) In an electromagnetic wave, the electric and magnetising fields are \[100\text{ }V/m\] and\[0.265\text{ }A/m\]. The maximum energy flow will be:

    A)  \[76.5\,W/{{m}^{2}}\]        

    B)  \[46.7\,W/{{m}^{2}}\]

    C)  \[36.5\,W/{{m}^{2}}\]        

    D)  \[26.5\,W/{{m}^{2}}\]

    Correct Answer: D

    Solution :

    Amplitude of an electric field, \[{{E}_{0}}=100\,V/m\] Amplitude of magnetising field, \[{{H}_{0}}=0.265A/M\] \[\therefore \]    Maximum energy flow is given by             \[E={{E}_{0}}\times {{H}_{0}}\]                 \[=100\times 0.265=26.5W/{{m}^{2}}\]

adversite



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