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Punjab Medical Punjab - MET Solved Paper-1999

  • question_answer
    Two waves are approaching each other with a velocity of \[20\,\,m/s\] and frequency\[n\], then the distance between two consecutive nodes will be

    A) \[\frac{10}{n}\]                                

    B) \[\frac{5}{n}\]

    C) \[\frac{n}{5}\]                                  

    D) \[\frac{20}{n}\]

    Correct Answer: A

    Solution :

    Velocity of wave\[v=20\,\,m/s\] Frequency              \[=n\] Distance between two successive node is\[\frac{\lambda }{2}=\frac{v}{2v}=\frac{20}{2n}=\frac{10}{n}\]


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