The uncertainty in momentum of an electron, Chemistry

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The uncertainty in momentum of an electron is 1 x10 -5 kg- m/s  . The uncertainty in its position will be (h= 6.62 x 10 -34 kg - m2/ s):

(1) 1.05 x 10- 28m             

(2)  1.05 x 10- 26 m          

(3)  5.27 x 10-30m                            

(4) 5.25 x 10 -28m

Ans:   5.27 x 10-30m

 


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