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  3. JEE Main & Advanced

JEE Main & Advanced AIEEE Solved Paper-2010

  • question_answer
      If a source of power 4 kW produces\[{{10}^{20}}\]photons/second, the radiation belongs to a part of the spectrum called ?       AIEEE  Solved  Paper-2010

    A) \[\gamma -\]rays            

    B)        X-rays  

    C)        ultraviolet rays

    D)        microwaves

    Correct Answer: B

    Solution :

    \[P=n\frac{hc}{\lambda }\]


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