Concept explainers
If the moon blew up, why wouldn’t we be able to hear it?
To check why would not we be able to hear if the moon blew up?
Answer to Problem 24A
Due to the absence of a material medium between the atmospheres of Earth and Moon.
Explanation of Solution
Introduction:
A wave which propagate along the direction of vibration of the particles of the medium is called longitudinal wave .Sound is an example for longitudinal wave.
Since sound is a longitudinal wave, it requires a material medium to propagate. As the space between the atmospheres of Earth and Moon is vacuum, sound cannot propagate from Moon to Earth, if the moon blew up. Therefore, we would not be able to hear that sound.
Conclusion:
Since a medium is absent between the atmospheres of Earth and Moon, sound is blocked to reach from Moon to Earth if moon blew up.
Chapter 26 Solutions
Conceptual Physics: The High School Physics Program
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