Modern Physics Multiple Choice Questions and Answers 1 PDF Book Download

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

MCQ on Modern Physics Test 1Quiz 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: Mass of 700 N man moving in car at 66 km h-1 is

  1. 70 kg
  2. 100 kg
  3. infinite
  4. zero

A

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