2. Questions Bank
  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 MCQs - Dual Nature of Radiation and Matter

  • question_answer
    Kinetic energy of electrons emitted in photoelectric effect is

    A) directly proportional to the intensity of incident light.

    B) inversely proportional to the intensity of incident line.

    C) independent of the intensity of incident light.

    D) independent of the frequency of light.

    Correct Answer: C

    Solution :

    Option [c] is correct.
    Explanation: KE=hv-\[\phi \]
    So, KE is independent of intensity of incident light.


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