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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2006

  • question_answer
    The figure indicates the energy level diagram of an atom and the origin of six spectral line in emission (.e.g., line no. 5 aries from the transition from level B to A). The following spectral lines will also occur in the absorption spectrum

    A)  1, 4, 5            

    B)  1, 2, 3, 4, 5

    C)  2, 3, 5           

    D)  1, 2, 3

    Correct Answer: D

    Solution :

     In absorption -spectrum, the electrons are excited from lower energy state to higher energy state. Thus absorption spectrum only 1, 2 and 3 lines will be obtained.


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