An Electron Has Been Accelerated by a Potential Difference of 100

question 29

Multiple Choice

An electron has been accelerated by a potential difference of 100 V.If its position is known to have an uncertainty of 1 nm, what is the percent uncertainty ( $\Delta$ p/p *100) of the electron's momentum?

• A)1%
• B)2%
• C)10%
• D)>>10%
• E)5%

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