JEE Main 2022PhysicsAtomic PhysicsEasyMCQ

JEE Main 2022 — Atomic Physics Question with Solution

JEE Main 2022 (24 Jun Shift 2)

Question

In Bohr's atomic model of hydrogen, let K,P and E are the kinetic energy, potential energy and total energy of the electron respectively. Choose the correct option when the electron undergoes transitions to a higher level :

Choose an option

Show full solutionCorrect option: B
Correct answer
BK decreases, P and E increase.

Step-by-step explanation

Total energy of electron is stated as E=-Z2me48nhε02, potential energy P=-Z2me44nhε02 and kinetic energy is given by K=Z2me48nhε02.

So, as electron makes transition to higher level, total energy and potential energy increases due to the negative sign while the kinetic energy of electron decreases.

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Atomic Physics chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2022, covering the Atomic Physics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.