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 Dual Nature of Radiation and Matter Conceptual Problems

  • question_answer
    Out of microwaves, ultraviolet rays and infra-red rays, which radiations will be most effective for emission of electrons from a metallic surface?

    Answer:

                    Ultraviolet rays are most effective for photoelectric emission because they have highest frequency and hence most energetic.


You need to login to perform this action.
You will be redirected in 3 sec spinner