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Grade 11Inorganic Chemistry

The mass of a cricket ball is 0.21 kg. If the order of uncertainty in position is 100 pm, find the uncertainty in velocity.

Profile image of Shadow The Hedgehog
7 Years agoGrade 11
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1 Answer

Profile image of Arun
7 Years ago
Use uncertainty principle, 
e.g., ∆x.m∆v = h/4π 
Here, ∆x is uncertainty in position
∆v is uncertainty in velocity.

Here, m = 0.21 kg , ∆x = 1 A° = 10⁻¹⁰ m 
h = 6.626 × 10⁻³⁴ J.s

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