explain why the sound of a bell will not be heard after switching on the vaccum pump
Answers
Answered by
1
Answer:
Its simple
Explanation:
Sound is a longitudinal wave, and longitudinal waves need s medium to travel. After switching on the vacuum pump there is no air left,ie no medium left to travel. And this is also the reason astronauts cannot talk in space, outside their shuttles.
Answered by
0
Answer:
Pleasemark me as brainliest
Attachments:
Similar questions