Let represent the centripetal acceleration of the electron in the ground state of hydrogen

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Modern Physics · Modern Physics

Problem

Let a ⁣Ha_{\!H} represent the centripetal acceleration of the electron in the ground state of hydrogen. According to the Bohr model, what is the centripetal acceleration of the electron in the ground state of singly-ionized helium, expressed as a multiple of a ⁣Ha_{\!H}? (a) 4 a ⁣H4\,a_{\!H} (b) 2 a ⁣H2\,a_{\!H} (c) 16 a ⁣H16\,a_{\!H} (d) 8 a ⁣H8\,a_{\!H}

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