Atomic StructureHard
Question
Uncertainty in the position of an electron (mass = 9.1 × 10-31 kg) moving with a velocity 300 ms-1, accurate upto 0.001%, will be
Options
A.19.2 × 10-2 m
B.5.76 × 10-2 m
C.1.92 × 10-2 m
D.3.84 × 10-2 m
Solution
ᐃx. ᐃv ≥ 
ᐃx ≥
= 0.01933
= 1.93 × 10-2
ᐃx ≥
= 0.01933
= 1.93 × 10-2
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