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Question: Which of the following transition will have highest emission wavelength....

Which of the following transition will have highest emission wavelength.

A

n=2 to n=1n = 2\text{ to}\ n = 1

B

n=1 to n=2n = 1\text{ to }n = 2

C

n=2 ton=5n = 2\ \text{to}n = 5

D

n=5 to n=2n = 5\text{ to }n = 2

Answer

n=5 to n=2n = 5\text{ to }n = 2

Explanation

Solution

∵ 6muE2<E1\because\mspace{6mu} E_{2} < E_{1}⇒ λ2>λ1\lambda_{2} > \lambda_{1}