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KVPY2017PhysicsAtomic Physics

The magnitude of acceleration of the electron in the n ^ th orbit of hydrogen atom is a _ H and that of singly ionized helium atom is a_ He . The ratio a _ H : a _ He is

Options

  1. A1: 8
  2. B1: 4
  3. C1: 2
  4. Ddependent on n

Correct answer

A. 1: 8

Step-by-step solution

r 1 z & v z according ( v² r ) z² 1 (1 / z) =z³ a_ H a_ H e = ( z_ H z_ He )³= ( 1 2 )³= 1 8

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