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

8th Class Science Sound Question Bank Sound Conceptive Objective Problems

  • question_answer
                    To hear distinct echo, the minimum distance of a reflecting surface should be

    A)  17 metres         

    B)  34 metres

    C)  68 metres         

    D)  340 metres

    Correct Answer: A

    Solution :

      Not Available    


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