Physics · Modern Physics
Which type of emission involves heating a metal to a sufficiently high temperature to enable free electrons to leave the metal surface?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Secondary emission
- 2Thermionic emission✓
- 3Photoelectric emission
- 4Field emission
Correct answer
Thermionic emission
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
Preparing for Physics?
Practice full-length Physics mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Modern Physics MCQs →Want more practice questions on Modern Physics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Modern Physics