In an oil drop experiment, the following data were recorded : Plate separation = 15 mm, Distance of fall = 10 mm Potential difference = 3.2 kV, Viscosity of air = `1.82 xx 10^(-5)` Ns `m^(-2)` Sucessive times of rise of the drop = 42 s and 78 s. Radius of drop = `2.76 m xx 10^(-6) m` Calculate the change in charge on the drop between the two sets of observation. To how many electrons does this correspond ?

In an oil drop experiment, the following data were recorded : Plate se

1.	In an oil drop experiment, the following data were recorded : Plate separation = 15 mm, Distance of fall = 10 mm Potential difference = 3.2 kV, Viscosity of air = `1.82 xx 10^(-5)` Ns `m^(-2)` Sucessive times of rise of the drop = 42 s and 78 s. Radius of drop = `2.76 m xx 10^(-6) m` Calculate the change in charge on the drop between the two sets of observation. To how many electrons does this correspond ?
Answer» Correct Answer - `4.8 xx 10^(-19) C, 3`

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