J & K CET Engineering J and K - CET Engineering Solved Paper-2015

  • question_answer
    The length of antenna to transmit waves of \[1\text{ }MHz\]will be

    A) \[3\,\,m\]              

    B) \[15\,\,m\]

    C) \[30\,\,m\]             

    D) \[300\,\,m\]

    Correct Answer: D

    Solution :

    Length of the antenna required to transmit the full wave is given by \[L=\frac{c}{v}=\frac{3\times {{10}^{8}}}{1\times {{10}^{6}}}=3\times {{10}^{2}}=300\,\,m\]


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