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An electron is revolving in an orbit of radius 5 x 10^{-11}m with a speed 2 x 10^4m/s. The magnetic moment of the atom will be 

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An electron is revolving in an orbit of radius 5 x 10-11m with a speed 2 x 104m/s. The magnetic moment of the atom will be 

(a) 12 x 10-26Am2 

(b) 8 x 10-26Am2 

(c) 9 x 10-26Am2 

(d) 6 x 10-26Am2

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1 Answer

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Correct option is : (b) 8 x 10-26Am2 

m =eVR/2

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