Atoms And Nuclei Question 142
Question: What is the ratio of wavelength of radiations emitted when an electron in hydrogen atom jump from fourth orbit to second orbit and from third orbit to second orbit [MH CET 2004]
Options:
A) 27 : 25
B) 20 : 27
C) 20 : 25
D) 25 : 27
Show Answer
Answer:
Correct Answer: B
Solution:
By using $ \frac{1}{\lambda }=R,[ \frac{1}{n_{1}^{2}}-\frac{1}{n_{2}^{2}} ] $
