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JEE MAIN 2019
12-04-2019 S2
Question
The electron in a hydrogen atom first jumps from the third excited state to the second excited state and subsequently to the first excited state. The ratio of the respective wavelengths, $\lambda_1 / \lambda_2$, of the photons emitted in this process is
Select the correct option:
A
7/5
B
27/5
C
9/7
D
20/7
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Question Tags
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Physics
Medium
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Showing 18 questions
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