2. Questions Bank
  3. 8th Class
  4. Science
  5. Sound

8th Class Science Sound Question Bank Sound Summative Objective Problems

  • question_answer
    An object oscillates 50 times in one second. What should be its frequency?

    A)  0.2 Hz                  

    B)  0.02 Hz

    C)  0.002 Hz             

    D)  50 Hz

    Correct Answer: D

    Solution :

      Not Available


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