2. Sample Papers
  3. 5th Class
  4. Science

5th Class Science Sample Paper Science Olympiad Model Test Paper-17

  • question_answer
    Air blown into a flute produces sound due to:

    A) Vacuum produced in the flute

    B) Cooling of air

    C) Vibration of air

    D) Heating of air

    E) None of these

    Correct Answer: C

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