A) \[\Delta x\,.\,\Delta p\ge \frac{h}{4\pi }\]
B) \[\Delta x\,.\,\Delta p=\frac{h}{4\pi }\]
C) \[\Delta x\,.\,\Delta p\le \frac{h}{4\pi }\]
D) \[\Delta x\,.\,\Delta p<\frac{h}{4\pi }\]
Correct Answer: A
Solution :
Key Idea: It is impossible to determine simultaneously the exact position and momentum of moving particle like electron, proton, neutron. \[\Delta x\times \Delta p\ge \frac{h}{4\,\pi }\] Where \[\Delta x=\] uncertainty in position. \[\Delta p=\] uncertainty in momentum.
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