Atomic Structure Question 504

Question: If uncertainty in the position of an electron is zero, the uncertainty in its momentum would be [CPMT 1988]

Options:

A) Zero

B) $ <\frac{h}{2\lambda } $

C) $ >\frac{h}{2\lambda } $

D) Infinite

Show Answer

Answer:

Correct Answer: D

Solution:

$ \Delta x.,\Delta p,\ge , $

$ \frac{h}{4\pi }, $ if $ \Delta ,x=0 $ then $ \Delta p=\infty $ .



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