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  3. CET Karnataka Engineering

CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2005

  • question_answer
    The wavelength of the radiation emitted by a body depends upon:

    A)  the nature of the surface

    B)  the area of the surface

    C)  the temperature of the surface

    D)                  all of the above factors

    Correct Answer: C

    Solution :

    According to Wiens law                 \[\lambda \propto \frac{1}{T}\] i.e., it depends on the temperature of the surface.


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