Atoms And Nuclei Question 279
Question: In the hydrogen atom, an electron makes a transition from n = 2 to n = 1. The magnetic field produced by the circulating electron at the nucleus -
Options:
A) decreases 16 times
B) increases 4 times
C) decreases 4 times
D) increases 32 times
Show Answer
Answer:
Correct Answer: D
Solution:
- $ \because B=\frac{{\mu_{0}}I}{2r}\text{ and},I=\frac{e}{T} $ $ B=\frac{{\mu_{0}}e}{2rT}[ r\propto n^{2},T\propto n^{5} ]; $ $ B\propto \frac{1}{n^{5}} $
