Question
Question: Hydrogen atom emits blue light when it changes from n = 4 energy level to n = 2 level. Which colour ...
Hydrogen atom emits blue light when it changes from n = 4 energy level to n = 2 level. Which colour of light would the atom emit when it changes from n = 5 level to n = 2 level ?
A
Red
B
Yellow
C
Green
D
Violet
Answer
Violet
Explanation
Solution
E2 > E1 ; l2 < l1 ; lvoilet < lBlue