The temperature at which the speed of sound in air becomes double of its value at \[{{27}^{o}}C\] is [CPMT 1997; UPSEAT 2000; DPMT 2003]

The temperature at which the speed of sound in air becomes double of i

1.	The temperature at which the speed of sound in air becomes double of its value at \[{{27}^{o}}C\] is [CPMT 1997; UPSEAT 2000; DPMT 2003]
A.	\[{{54}^{o}}C\]
B.	\[{{327}^{o}}C\]
C.	Ultrasonic wave
D.	\[-{{123}^{o}}C\]
Answer» D. \[-{{123}^{o}}C\]

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The temperature at which the speed of sound in air becomes double of its value at \[{{27}^{o}}C\] is [CPMT 1997; UPSEAT 2000; DPMT 2003]

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