Thermionic Emission MCQs Quiz Worksheet PDF Download

Practice thermionic emission MCQs in physics quiz for online learning test. Basic electronics quiz questions has multiple choice questions (MCQ), thermionic emission test to practice as the process of emission of electrons from hot metal surfaces is called . Answer key help with choices as plastic emission, thermionic emission, static emission and current emission problem solving for competitive exam, viva prep, interview questions worksheets. Free physics revision notes to practice thermionic emission quiz with MCQs to find questions answers based online learning tests.

MCQs on Thermionic Emission Quiz 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