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 $ .