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  3. 12th Class
  4. Physics
  5. Photo Electric Effect, X- Rays & Matter Waves

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

  • question_answer
    Which of the following statement is true?

    A) The photocell is totally painted black.

    B) A part of the photocell is left clean.

    C) The photocell is completely transparent.

    D) A part of the photocell is made black.

    Correct Answer: B

    Solution :

    Option [b] is correct. Explanation; A part of the bulb is left clean for the light to enter in it.


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