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Haryana PMT Haryana PMT Solved Paper-2006

  • question_answer
    The wavelength of a radio wave of frequency of               1 MHz is :

    A)                  400m

    B)                                         300m

    C)                  350m                                   

    D)  200m

    Correct Answer: B

    Solution :

                    \[\lambda =\frac{c}{v}=\frac{3\times {{10}^{8}}}{1\times {{10}^{6}}}=3\times {{10}^{2}}=300m\]


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