RAJASTHAN ­ PET Rajasthan PET Solved Paper-2001

  • question_answer
    For a perfectly black body, its absorption coefficient will be

    A)  1                

    B)  0

    C)  between 0 and 1  

    D)  None of these

    Correct Answer: A

    Solution :

     A black body is an idealized object that, absorbs all electromagnetic radiations falling on it. The value of black body absorptive coefficient for ideal black body is 1.


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