12th Class Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Case Based (MCQs) - Dual Nature of Radiation and Matter

  • question_answer
    Photosensitive material should be connected to

    A) -ve terminal of the battery.

    B) +ve terminal of the battery.

    C) any one of [a] or [b].

    D) connected to ground.

    Correct Answer: A

    Solution :

    Option [a] is correct. Explanation: Photosensitive material used as emitter should be connected to -ve terminal of the battery so that the emitted electrons are repelled by emitter and collected by collector.


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