Modern Physics MCQs Quiz Online PDF Book Download

Modern physics multiple choice questions (MCQs), modern physics quiz answers to learn physics courses online. Modern physics MCQs, modern physics quiz questions and answers for online masters degree in physics. Learn modern physics test prep for physics certifications.

Learn modern physics test MCQs: rest mass energy of an electron is with choices 1.02 mev, 0.511kev, 0.511 mev, and 2.02 mev for online masters degree in physics. Practice assessment test for scholarships, online learning modern physics quiz questions for competitive assessment in physics major. Modern Physics Video

MCQ on Modern PhysicsQuiz Book Download

MCQ: Rest mass energy of an electron is

  1. 1.02 MeV
  2. 0.511KeV
  3. 0.511 MeV
  4. 2.02 MeV

C

MCQ: When K.Emax of photoelectrons is zero, then frequency of incident photon relative to threshold frequency is

  1. less
  2. equal
  3. greater
  4. small

B

MCQ: An inertial frame of reference is frame

  1. in which first law of motion is valid
  2. in which law of inertia is valid
  3. which is not moving with uniform velocity
  4. both a and b

D

MCQ: In photocell caesium, coated oxidized silver cathode emits electrons for

  1. visible light
  2. ultraviolet
  3. infrared light
  4. x-rays

C

MCQ: According to theory of relative mass of an object is

  1. depends on particles
  2. speed of light
  3. volume of object
  4. area of object

B