An electron in hydrogen occupies its second Bohr orbit. An electron in He⁺ is in an orbit in which its speed is exactly equal to the speed of the hydrogen electron. If the principal quantum number of the He⁺ electron is N, find N.

Physics · Atomic Structure and X-rays · atomic structure and bohr atomic model

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An electron in hydrogen occupies its second Bohr orbit. An electron in He⁺ is in an orbit in which its speed is exactly equal to the speed of the hydrogen electron. If the principal quantum number of the He⁺ electron is N, find N.