J & K CET Medical J & K - CET Medical Solved Paper-2001

  • question_answer
    Which of the following does not change when a wave travels from one medium to another medium?

    A)  Wavelength                     

    B)  Frequency

    C)  Velocity                              

    D)  Amplitude

    Correct Answer: B

    Solution :

                    When wave passes from one medium to another refraction occurs. At the boundary between the media, the waves phase velocity is altered, it changes direction and its wavelength increases or decreases but its frequency remains unaltered.


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