Question

Hydrogen atom emits blue light when it changes from `n = 4` energy level to the `n = 2` level. Which colour of light would te atom emit when it changes from the `n = 5` level to the `n = 2` level ?
A. Red
B. Yellow
C. Green
D. Violet

Answer 1

Correct Answer - D
In the transition from orbit `5 rarr 2`, more energy is liberated as compared to transition from `4 rarr 2`.