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GK QUESTION#3028

Statement I: Sound can travel through a vacuum. Statement II: In human beings, the vibration of vocal cords produces sound.

  1. ABoth statements are true.
  2. BBoth statements are false.
  3. CStatement I is true, but Statement II is false.
  4. DStatement I is false, but Statement II is true.Correct answer
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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.

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