Thermionic Emission MCQs Quiz Worksheet PDF Download

Learn thermionic emission MCQs, physics test for online course learning and test prep to practice. Basic electronics quiz questions has multiple choice questions (MCQ), thermionic emission test to learn for online physics solution course test.

Physics practice test MCQ on process of emission of electrons from hot metal surfaces is called with options plastic emission, thermionic emission, static emission and current emission problem solving skills for competitive exam, viva prep, interview questions with answer key. Free physics revision notes to learn thermionic emission quiz with MCQs to find questions answers based online learning tests.

MCQs on Thermionic Emission Quiz PDF Download

MCQ. Process of emission of electrons from hot metal surfaces is called

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

B

MCQ. 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. Particles emitted from hot cathode surface are

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

D

MCQ. Cathode rays carry

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

C

MCQ. At room temperature, 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