MCQ
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
  • Violet

Answer

Correct option: D.
Violet
d
(d) In the transition from orbit $5 \to 2,$ more energy is liberated as compared to transition from $4 \to 2.$

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