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An electron is in the sixth energy level of a hydrogen atom. The atom emits a photon which
causes the electron to drop directly to the third energy level.
Find the change in the Bohr radius of the electron's orbit in units of nm.
(A) 3.17
(B) 4.18
(C) 1.428
(D) 2.29
Find the frequency of the emitted photon in units of 10¹4 Hz.
(A) 9.53
(B) 8.36
(C) 4.51
(D) 2.74
(E) 5.41
(E) 5.96

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