JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank X Rays

  • question_answer
    What determines the hardness of the X-rays obtained from the Coolige tube                                     [RPMT 1996]

    A)            Current in the filament    

    B)            Pressure of air in the tube

    C)            Nature of target

    D)            Potential difference between cathode and target

    Correct Answer: D

    Solution :

               Hard X-rays are of higher energy and the energy of X-rays depends on the potential difference between the cathode and the target.


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