What two physics mistakes occur in a science ?ction movie that shows a distant e

Question

What two physics mistakes occur in a science ?ction movie that shows a distant explosion in outer space, where you see and hear the explosion at the same time?

1. The explosion cannot occur in outer space; if it could, the faster-moving light
would reach you before the sound.
2. The explosion cannot occur in outer space; if it could, the sound would reach you
before the light.
3. In outer space there is no material to carry light; if there were, the sound would
reach you before the light.
4. In outer space there is no air to carry sound; if there were, the faster-moving light
would reach you before the sound.
5. None of these

Explanation / Answer

correct statement:4 as sound reuires particles to vibrate

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