Physics · Laser Physics
In a LASER device, let the instantaneous populations of energy levels E1 and E2 (where E2 > E1) be n1 and n2 respectively. What is the necessary condition for population inversion so that stimulated emission dominates?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1None of the above
- 2n2 > n1✓
- 3n2 < n1
- 4n2 = n1
Correct answer
n2 > n1
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Laser Physics MCQs →Want more practice questions on Laser Physics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Laser Physics