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試卷名稱：111年 - 111 國立臺灣大學_轉學生招生考試：普通物理學(A)#125314
年份：111年
科目：研究所、轉學考(插大)◆普通物理學
20. A Rydberg atom is an atom with one of its electrons being excited to a state of a very large principle quantum number n, called a Rydberg state. For a Rydberg hydrogen atom whose diameter is approximately 1 µm, estimate the corresponding principle quantum number n: (Hint: For the ground state, n = 1, the diameter of a hydrogen atom is approximately 1 Å.)
(A) 80
(B) 100
(C) 120
(D) 140.
