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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-12

  • question_answer
    A note is produced when you blow air across the top of a test tube. Two students were asked about the effect of blowing harder.
    Student A: The pitch of sound would increase.
    Student B: The intensity of sound would increase.

    A)  A is correct, B is wrong

    B)  B is correct, A is wrong

    C)  Both are correct     

    D)  Both are wrong

    Correct Answer: B

    Solution :

     Pitch is related with frequency \[(f)=v\lambda =\] const. But intensity is related with particle energy which increases.


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