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Q: A bomb explodes on the moon. You will hear its sound on earth after ..........
  • A. 20 minutes
  • B. 2 hrs 20 minutes
  • C. 3.7 hours
  • D. You cannot hear the sound of explosion
Correct Answer: Option D - If a bomb explodes on the moon, no sound will occur, due to absence of atmosphere.
D. If a bomb explodes on the moon, no sound will occur, due to absence of atmosphere.

Explanations:

If a bomb explodes on the moon, no sound will occur, due to absence of atmosphere.