GK QUESTION#3028
Statement I: Sound can travel through a vacuum. Statement II: In human beings, the vibration of vocal cords produces sound.
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Answer
D. Statement I is false, but Statement II is true.
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Explanation
Sound is a mechanical disturbance and needs a material medium, so it cannot propagate through a vacuum. In human voice production, air flowing through the larynx can make the vocal folds vibrate. Statement I is false and II is true.