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MHT CET20226 Aug 2022Morning ShiftPhysicsAtomic PhysicsActual

The kinetic energy of the electron in an orbit of radius r in hydrogen atom is proportional to ( e= electronic charge )

Options

  1. Ae^2 4 r
  2. Be^2 2 r
  3. Ce^2 r
  4. De^2 2 r^2

Correct answer

B. e^2 2 r

Step-by-step solution

The potential energy of the electron in the nth orbit of radius r in Hatom, U= e^2 r (in CGS) K.E. = 1 2 P.E. K= e^2 2 r

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