Determine uncertainty in momentum of an electron, Chemistry

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The uncertainty in momentum of an electron is 1 x 10-5 kgm/ s  . The uncertainity in its position will be( h= 6.63 x 10 -34 Js) :

(1)  5.28 x 10 -30m                            

(2)  5.25 x 10 -38m             

(3)  1.05 x 10 -26m                          

(4) 2.715 x 10-30 m

Ans:  5.28 x 10 -30m

 


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