2. Questions Bank
  3. 10th Class
  4. Science
  5. Sources of Energy

10th Class Science Sources of Energy Question Bank Sources of Energy

  • question_answer
    The photoelectric effect is described as the ejection of electrons from the surface of a metal when

    A)  it is heated to a high temperature

    B)  light of suitable frequency falls on it  

    C)  electrons of suitable velocity impinge on it

    D)  it is placed in a strong magnetic field

    Correct Answer: B

    Solution :

    Not Available


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