In Millikan's oil drop experiment an oil drop carrying a charge Q is held stationary by a potential difference 2400V between the plates. To keep a drop of half the radius stationary the potential difference had to be made 600V. What is the charge on the second drop - VgyanHub

Question:

In Millikan’s oil drop experiment an oil drop carrying a charge Q is held stationary by a potential difference 2400V between the plates. To keep a drop of half the radius stationary the potential difference had to be made 600V. What is the charge on the second drop

Options :

a) Q/4
b) Q/2
c) Q
d) 3Q/2

Answer :

b) Q/2

Answer Steps :

Solution :-

Step1 :-

Step2 :-

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