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The energy of the electron of hydrogen orbiting in a stationary orbit of radius rn is proportional to __________. (rn, 1/rn, rn2, 1/rn2)

Asked by Narendra Kumar Sharma 19/02/2015 Last Modified 19/02/2015

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For positive integers a and b, let a triangle b be defined as ab+1. If x and y are positive integers and x triangle y equals 16, which of the following could be a value of y? I.1 II. 2 III. 3 (A) I only (B) II only (C) I and III only (D) II and III only (E) I, II, and III

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