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What is the fractional error in g calculated from `T = 2 pi sqrt((l)/(g))` ? Given that fractional error in `T` and `l` are `pm x` and `pm y` respectively.A. x+yB. x-yC. 2x+yD. 2x-y |
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Answer» `T=2pisqrt((l)/(g))rArrg=(4pi^(2)l)/(T^(2))` `(Deltag)/(g)=(Deltal)/(l)+(2DeltaT)/(T)=y+2x` |
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