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

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

  • question_answer
    Unit of measuring sound is:

    A) Newton             

    B) Decibel

    C) Hertz    

    D)        Metre

    E) None of these

    Correct Answer: B

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