Asked by Sahil

If velocity of electron 3000000 m/s having uncertainity 0.1% calculate the uncertainity of momentum

Answers

Answered by Anonymous
p = m v = mass of electron * 3*10^6
uncertainty of momentum = mass of electron * .001 * 3*10^6
percent uncertainty of momentum = 100 *.001 p/p = .1 percent
in other words unless you know uncertainty of electron mass, the percent uncertainty of momentum is the same as of velocity
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