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Modern Physics MCQ with Answers PDF

Solve Modern Physics Multiple Choice Questions (MCQ), applied physics quiz answers PDF with career tests for online courses. Practice modern physics Multiple Choice Questions and Answers (MCQs), Modern Physics quiz questions bank for GRE test. "Modern Physics MCQ" PDF book: modern physics test prep for two year online colleges.

"Rest mass energy of an electron is" Multiple Choice Questions (MCQ) on modern physics with choices 1.02 mev, 0.511kev, 0.511 mev, and 2.02 mev for GRE test. Practice modern physics quiz questions for merit scholarship test and certificate programs for ACT test prep classes.

MCQs on Modern Physics

1.

Rest mass energy of an electron is

1.02 MeV
0.511KeV
0.511 MeV
2.02 MeV

2.

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

less
equal
greater
small

3.

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

4.

In photocell caesium, coated oxidized silver cathode emits electrons for

visible light
ultraviolet
infrared light
x-rays

5.

According to the theory of relative mass of an object is

depends on particles
speed of light
volume of object
area of object