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Grade: 12
        

If ge and gm are the accelerations due to gravity on the surfaces of the earth and the moon respectively and if Millikan's oil drop experiment could be performed on the two surfaces, one will find the ratio 


(electronic charge on the moon) / (electronic charge on the earth) to be :-


(A) 1


(B) 0


(C) ge/gm


(D) gm/ge


Please explain.

7 years ago

Answers : (1)

vikas askiitian expert
509 Points
							

let the magnitude of electric field used is E...

magnitude of charge at moon and earth are qm & qe respectively....

at moon

              Eqm=mgm ..................1                      

 at earth

            Eqe=mge ..................2

balancing the gravitational force by electric force

dividing 1 and 2

        qm/qe=gm/ge ........

option d is correct

7 years ago
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