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    Question

    Let the electric field part of an electromagnetic wave

    is E = {(2.3 N/C) cos [(1.2 rad/m) y + (2.4 × 108 rad/s)t]} î. Compute the value of wavelength, frequency and the amplitude of the magnetic field part of the wave’ respectively?  
    A 5.23,2.82 × 10^7 and 1.76 × 10^-8 Correct Answer Incorrect Answer
    B 3.23,2.82 × 10^7 and 0.76 × 10^-8 Correct Answer Incorrect Answer
    C 5.23,3.82 × 10^7 and 0.76 × 10^-8 Correct Answer Incorrect Answer
    D 3.23,3.82 × 10^7 and 1.76 × 10^-6 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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