Question

1. The sound travels faster when the temperature of the medium is lower, because
a) The density of the particles become lesser
b) The density of the particles become higher
c) The vibrational energy is more
d) The vibrational energy is less​

Answer 1

The sound travels faster when the temperature of the medium is lower, because The density of the particles become lesser

a) The density of the particles become lesser

Answer 2

a is correct because The density of the particles become lesser.

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