JEE Main & Advanced Physics Transmission of Heat Question Bank Assertion and Reason

  • question_answer
    Assertion             :       As temperature of a black body is raised, wavelength corresponding to maximum energy reduces.             Reason                 :       Higher temperature would mean higher energy and hence higher wavelength.

    A)             If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B)             If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C)             If assertion is true but reason is false.

    D)             If the assertion and reason both are false.

    E)             If assertion is false but reason is true.

    Correct Answer: C

    Solution :

                       According to Wien?s displacement law the \[{{\lambda }_{m}}\propto \frac{1}{T}.\] Hence assertion is true but reason is false.


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