Modern Physics Multiple Choice Questions 1 PDF Download

Practice modern physics multiple choice questions (MCQs), physics test 1 for online exams. Practice modern physics MCQs questions and answers on modern physics, special theory of relativity with answers. Free modern physics quiz, online study guide has helping answer key with choices as 0.511kev, 1.02 mev, 0.511 mev and 2.02 mev of multiple choice questions as rest mass energy of an electron is to test learning skills for viva exam preparation and job's interview questions. Study to learn modern physics quiz questions with online learning MCQs for competitive exam preparation test. Modern Physics Video

MCQ on Modern Physics Quiz PDF Download Test 1

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 the frequency of incident photon relative to threshold frequency is

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

B

MCQ. The 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 the 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