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Discussion :: Electromagnetic Field Thoery

  1. A plane electromagnetic wave travels in dielectric medium of relative permittivity 9. Relative to free space, the velocity of propagation in the dielectric is

    2. A.
    increased by a factor of 9
    B.
    increased by a factor of 3
    C.
    unchanged
    D.
    reduced by a factor of 1/3

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    Workspace

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    Answer : Option D

    Explanation :

    .

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