JEE Main & Advanced AIEEE Solved Paper-2013

  • question_answer
    The anode voltage of a photocell is kept fixed. The wavelength \[\lambda \] of the light falling on the cathode is gradually changed. The plate current I of the photocell varies as follows:     AIEEE Solevd Paper-2013

    A)               

    B)  

    C)   

    D)         

    Correct Answer: D

    Solution :

    As\[\lambda \]will increase \[{{k}_{max}}\]will decrease so current should decrease and finally fall to zero when\[{{\lambda }_{0}}\]is achieved.


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