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A cricket ball weighing 100 g is located within 1 nm. What is the uncertainty in the velocity ? |
Answer» Correct Answer - `5.27xx10^(-25)m s^(-1)` According to uncertainty principle `Delta x *m Deltav=(h)/(4 pi) or Deltav=(h)/(4pixxmxxDeltax)` `h=6.626xx10^(-34)"kg"m^(2)s^(-1), m=100g=0.1 "kg", Deltax=1nm=10^(-9)m, pi=3.143` `Deltav=[((6.626xx10^(-34)"kg" m^(2)s^(-1)))/(4xx3.143xxx(0.1"kg")(10^(-9)m))]" " =5.27xx10^(-25)m s^(-1)`. |
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