Published by:
CGP EDU Academic Team
Published on: September 12, 2026
The velocity of sound in air is doubled when the temperature is raised from 
to 
. The value of 
is 
.
Text Solution
Verified by ExpertsThe correct answer is:
819
(819) The velocity of sound in air depends on temperature as 
(absolute temperature).
If the velocity doubles:
.
Squaring: 
.
With 
and 
:
, giving 
.
Therefore 
.
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