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An electron moving with a velocity of 3*10^7m/s which is known to have an acuracy of 99.99% . given that the mass of electron is 9.1*10^-31kg and h=6.63*10^-34 1) calculate the uncertanity in velocity 2)calculate the uncertanity in position 3)compare the values in(1)and(2)and explain

Asked by Arun Mathew 27th August 2012, 1:36 AM
Answered by Expert
Answer:

Uncertainty in velocity = 3 x 10^ 7 x 99.99/100 = 2.999 x 10^7 m/s

Uncertainty in position = h / 4pi m delta v

                                 =6.626 x 10-34 /4 x 3.14 x 9.1 x 10-31 x 2.99 x 10^7

                                =6.626 x 10 -34 / 341.74 x 10 -24

                                =.01938 x 10 -10m
Answered by Expert 3rd September 2012, 11:55 AM
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