Modern Physics MCQ Questions and Answers PDF Download eBook
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"Rest mass energy of an electron is" Multiple Choice Questions (MCQ) on modern physics with choices 0.511kev, 1.02 mev, 0.511 mev, and 2.02 mev for GRE test. Practice modern physics quiz questions for jobs' assessment test and online courses for ACT test prep classes. Modern Physics Video
MCQs on Modern Physics Quiz PDF Download eBooks
MCQ: Rest mass energy of an electron is
- 1.02 MeV
- 0.511KeV
- 0.511 MeV
- 2.02 MeV
C
MCQ: When K.Emax of photoelectrons is zero, then the frequency of incident photon relative to threshold frequency is
- less
- equal
- greater
- small
B
MCQ: The mass of 700 N man moving in car at 66 km h-1 is
- 70 kg
- 100 kg
- infinite
- zero
A
MCQ: An inertial frame of reference is the frame
- in which first law of motion is valid
- in which law of inertia is valid
- which is not moving with uniform velocity
- both a and b
D
MCQ: In photocell caesium, coated oxidized silver cathode emits electrons for
- visible light
- ultraviolet
- infrared light
- x-rays
C