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At what temperature will the speed of so...

At what temperature will the speed of sound be double of its value at `0^@C ` ?

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`(upsilon_(2))/(upsilon_(1)) = sqrt((T_(2))/(T_(1)))`
`upsilon_(2) = 2 upsilon_(1), T_(1) = 0^(@)C = 273` K
`therefore" "(2upsilon_(1))/(upsilon_(1)) = sqrt((T_(2))/(273)) rArr (T_(2))/(273) = 4`
`T_(2) = 4 xx 273 = 1092` K
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