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     EduGorilla 
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    The magnetic field intensity vector of a plane wave is given by  (x, y, z, t) = 10 sin(50000 t + 0.004 x + 30) y, where y denotes the unit vector in y direction. The wave is propagating with a phase velocity of

    Options :-

    1. 5 x 104 m/s
    2. –3 x 108 m/s
    3. –1.25 x 107 m/s
    4. 3 x 108 m/s
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Reply To: The magnetic field intensity vector of a plane wave is given by  (x, y, z, t) = 10 sin(50000 t ….
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