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 work function of a metal is W and the frequency of incident light is d. There is no emission of photoelectrons when

    A)  \[v<\frac{W}{h}\]            

    B)         \[v=\frac{W}{h}\]

    C)  \[v>\frac{W}{h}\]          

    D)         \[v\ge \frac{W}{h}\]

    Correct Answer: A

    Solution :

    Not Available


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