JCECE Medical JCECE Medical Solved Paper-2007

  • question_answer
    If  equation   of   a   sound   wave   is \[y=0.0015\sin (62.8x+314t)\] then    its wavelength will be

    A)  0.1 unit        

    B)  2 unit

    C)  0.3 unit        

    D)  0.2 unit

    Correct Answer: A

    Solution :

     Key Idea: The standard equation of sow wave is \[y=a\sin 2\pi \left( \frac{x}{\lambda }+\frac{t}{T} \right)\] where a is amplitude,\[\lambda \]is wavelength and T time period. Given, equation of wave is \[y=0.0015\sin \,(62.8x+314t)\] Comparing given Eq. (i) with standard wave equation, we get


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