A) \[\Delta x\ge \frac{\Delta p\times h}{4\pi }\]
B) \[\Delta x\times \Delta p\ge \frac{h}{4\pi }\]
C) \[\Delta x\times \Delta p\ge \frac{h}{\pi }\]
D) \[\Delta p\ge \frac{\pi h}{\Delta x}\]
Correct Answer: B
Solution :
Heisenberg's uncertainty principle: It is not possible to determine precisely both the position and the momentum (or velocity) of a small moving particle (eg, electron, proton etc)\[\Delta x.\Delta p\ge \frac{h}{4\pi }\]where\[\Delta x,\Delta p\]are the uncertainties with regard to position, momentum respectively.
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