Question

    Electromagnetic waves travelling in a medium having

    relative permeability μr = 1.2 and relative permittivity Er = 0.012. The speed of electromagnetic waves in medium must be
    A 1.44 × 10^5 m/s Correct Answer Incorrect Answer
    B 1.44 × 10^6 m/s Correct Answer Incorrect Answer
    C 1.44 × 10^8 m/s Correct Answer Incorrect Answer
    D 1.44 × 10^9 m/s Correct Answer Incorrect Answer

    Solution

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