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Question is

The measurment of the electron position is associated with an uncerrtanity in momentum, which equal to 1 x 10-18 g cm s-1.The uncertanity in electron velocity is,

(mass of an electrons is 9 x 10-28 g) 

  • 1 x 108

  • 1  x 106 cm s-1

  •  1 x 105 cm s-1

  • 1 x 1011 cm s-1

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