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MGIMS WARDHA MGIMS WARDHA Solved Paper-2005

  • question_answer
    If \[{{\upsilon }_{g,}}{{\upsilon }_{x}}\]and \[{{\upsilon }_{m}}\] are the speeds of gamma rays X rays and micro waves respectively in   vacuum then :

    A) \[{{\upsilon }_{g}}>{{\upsilon }_{m}}>{{\upsilon }_{x}}\]               

    B) \[{{\upsilon }_{g}}>{{\upsilon }_{x}}>{{\upsilon }_{m}}\]

    C) \[{{\upsilon }_{g}}={{\upsilon }_{x}}={{\upsilon }_{m}}\]               

    D) none of these

    Correct Answer: C

    Solution :

    Gamma rays. X-rays and micro waves all are electromagnetic wave and they travel in vaccum by the same speed i.e., by\[3\times {{10}^{8}}\] m/s.


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