1.

A student performs an experiment for determintion of g = (4 pi^2 L)/(T^2) , L ~~ 1mand the commits an error of DeltaL for the tajes the time of n oscillations with the stop watch least count DeltaT. For which of the following data the measurement of g will be more accurate?

Answer»

`DeltaL=0.5,DELTAT = 0.1, N = 20`
`DeltaL=0.5, DeltaT = 0.1, n = 50 `
`DeltaL=0.5, DeltaT = 0.01, n = 20`
`DeltaL=0.5, DeltaT = 0.05, n = 20`

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