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The room temperature charges by a small ...

The room temperature charges by a small amount from `T` to `T+DeltaT` (on Kelvin scale). The fundamental frequency of organ pipe changes from `f` to `f+Deltaf`, then

A

`(Deltaf)/(f)=(1)/(2)(DeltaT)/(T)`

B

`(Deltaf)/(f)=(DeltaT)/(T)`

C

`(Deltaf)/(f)=(2DeltaT)/(T)`

D

`(Deltaf)/(f)=sqrt((DeltaT)/(T))`

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