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Today General Knowledge(GK)
Sound cannot be reflected by
A)
Vacuum
B)
Mercury
C)
Liquid
D)
Solid

Correct Answer : Option (A) - Vacuum



When travelling through air, the speed of sound is about 330 metres per second (m/s). Sound cannot travel through a vacuum because there are no particles to carry the vibrations.

Published On : June 8, 2021
Category : Science and Technology
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