#LetsPrepareATC 🏆 Prepare AAI - ATC Exam (2023) with ATC Gurus Mr. Paras Soni & Dr. Abhijit Sen
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Practice Question
The radius of the innermost orbit of hydrogen atom is \(5.3×10^{-11}\m) . The radii of n=2 orbit is:

Select one correct option:

\(1.06×10^{-10}\)m Correct 💪 In-correct 🧐
\(10.6×10^{-10}\)m Correct 💪 In-correct 🧐
\(21.2×10^{-10}\)m Correct 💪 In-correct 🧐
\(2.12×10^{-10}\)m Correct 💪 In-correct 🧐