Thermionic Emission MCQ Questions Online PDF Download

Thermionic emission MCQs, thermionic emission quiz answers pdf to study high school physics for online degree courses. Learn basic electronics Multiple Choice Questions and Answers (MCQs), "thermionic emission" quiz questions and answers for online learning. Learn digital and analogue electronics, cro exam questions, uses of logic gates, thermionic emission test prep for online school classes.

"The process of emission of electrons from the hot metal surfaces is called" Multiple Choice Questions (MCQ) on physics practice test online with choices plastic emission, thermionic emission, static emission, and current emission for online learning. Free physics student portal for online learning basic electronics quiz questions for online learning.

MCQs on Thermionic Emission PDF Download

MCQ: The process of emission of electrons from the hot metal surfaces is called

  1. plastic emission
  2. thermionic emission
  3. static emission
  4. current emission

B

MCQ: The process of emission of electrons from hot metal surface is called

  1. electronic emission
  2. thermionic emission
  3. electron capture
  4. proton loss

B

MCQ: The particles emitted from hot cathode surface are

  1. negative ions
  2. positive ions
  3. protons
  4. electrons

D

MCQ: The cathode rays carry

  1. positive charge
  2. neutral
  3. negative charge
  4. positrons

C

MCQ: At room temperature, the electron cannot escape metal surface due to

  1. attractive forces of nucleus
  2. repulsive forces of electrons
  3. repulsive forces of nucleus
  4. pulling force of protons

A