The ratio of time taken by electron in revolutions round the H-nucleus in the second and third orbit — Atomic Structure Chemistry Question
Question
The ratio of time taken by electron in revolutions round the H-nucleus in the second and third orbits is
Answer: C
💡 Solution & Explanation
The time period of revolution $T \propto n^3$. Thus, the ratio of time taken in the second and third orbits is $2^3 : 3^3 = 8:27$. Therefore, correct answer is C.
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