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

1.	The temperature at which the speed of sound in air becomes double its value at 27^(@) C is ……….. .
Answer» `54^(@) C` `327^(@) C` `927^(@) C` `-123 ^(@) C` Solution :`(v_(2))/(v_(1)) = sqrt((273 + t_(2))/(273 + t_(1))) implies (2)^(2) = (273 + t_(2))/(273 + 27) implies t_(2) = 927^(@) C`

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