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what is the minimum amount of time required to measure the kinetic energy of an electron with the speed (100+-1) m/s.

what is the minimum amount of time required to measure the kinetic energy of an electron with the speed (100+-1) m/s.
 

Grade:11

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
3 years ago
u=600msec−1

∴Δu=600×0.005100

⇒0.30msec−1

Now,Δx.m.Δu=h4π

Δx=6.6×10−344×3.14×9.1×10−31×0.30

⇒1.92×10−3m

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