Atoms And Nuclei Question 69
Question: Hydrogen atom emits blue light when it changes from n = 4 energy level to the n = 2 level. Which colour of light would the atom emit when it changes from the n = 5 level to the n = 2 level [KCET 1993]
Options:
A) Red
B) Yellow
C) Green
D) Violet
Show Answer
Answer:
Correct Answer: D
Solution:
In the transition from orbit $ 5\to 2, $ more energy is liberated as compared to transition from $ 4\to 2. $
