2. Questions Bank
  3. 5th Class
  4. Science
  5. Lights, Sound and Force

5th Class Science Lights, Sound and Force Question Bank Lights and Sound

  • question_answer
    Why do we hear echoes?

    A) Because an echo is a reflected sound

    B) Because an echo is a rejected sound

    C) Because an echo is a deflected sound

    D) None of the above

    Correct Answer: A

    Solution :

       


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