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5th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Which among the following is correct?

    A) Sound do not need a medium to travel.

    B) Speed of sound is more than that of light.

    C) Sound can travel in air.

    D) We can hear a sound when it is produced on moon.

    E) None of these

    Correct Answer: C

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