For an electron, if the uncertainty in velocity is ΔV, the uncertainty in its position (ΔX) is given by:
2πhmΔV
hm4XΔV
h4πmΔV
2πmhΔV
A
hm4XΔV
B
2πmhΔV
C
h4πmΔV
D
2πhmΔV
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Solution
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According to the Heisenberg's uncertainty principle, it is impossible
to determine simultaneously, the exact
position and exact momentum (or velocity)
of an electron.
△x.△px≥h4π
△x.m△v≥h4π
△x≥h4πm△v
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