Atoms And Nuclei Question 47

Question: In a hydrogen atom, which of the following electronic transitions would involve the maximum energy change [MP PET 1997]

Options:

A) From n = 2 to n = 1

B) From n = 3 to n = 1

C) From n = 4 to n = 2

D) From n = 3 to n = 2

Show Answer

Answer:

Correct Answer: B

Solution:

P.E. $ =-\frac{ke^{2}}{r}=-\frac{e^{2}}{4\pi {\varepsilon_{0}}r} $ ; K.E. $ =-\frac{1}{2}(P\text{.E}\text{.})=\frac{e^{2}}{8\pi {\varepsilon_{0}}r} $



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