NTA Abhyas JEE Main2020ChemistryStructure of AtomPractice
If the uncertainty in the position of a particle is equal to its de-Broglie wavelength, the minimum uncertainty in its velocity should be
Options
- A1 4 π
- Bv 4 π
- Cv 4 π m
- Dm v 4 π
Correct answer
B. v 4 π
Step-by-step solution
∆ x . m. ∆v ≥ h 4 π or λ. m. ∆v ≥ h 4 π or h m v m. ∆v ≥ h 4 π or ∆ v ≥ v 4 π