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. $



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