Q.
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
A) Red
B) Yellow
C) Green
D) Violet
Explanation
(d) In the transition from orbit $5 \rightarrow 2$, more energy is liberated as compared to transition from $4 \rightarrow 2$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.