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# Modern Physics Multiple Choice Questions (MCQ) PDF Download

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The e-Book Modern Physics Multiple Choice Questions (MCQ Quiz) with answers, Modern Physics MCQs PDF download to study online physics degree courses. Practice Modern Physics Multiple Choice Questions and Answers (MCQs), Modern Physics quiz answers PDF for GRE test. The Modern Physics MCQ App Download: Free learning app for modern physics test prep for two year online colleges.

The MCQ Rest mass energy of an electron is: 1.02 mev, 0.511kev, 0.511 mev and 2.02 mev with "Modern Physics" App Download (Free) for GRE test. Study modern physics quiz questions, download Google eBook (Free Sample) for ACT test prep classes.

## Modern Physics MCQ Quiz : Physics MCQs

MCQ 1: Rest mass energy of an electron is

A) 1.02 MeV
B) 0.511KeV
C) 0.511 MeV
D) 2.02 MeV

MCQ 2: When K.Emax of photoelectrons is zero, then the frequency of incident photon relative to threshold frequency is

A) less
B) equal
C) greater
D) small

MCQ 3: An inertial frame of reference is the frame

A) in which first law of motion is valid
B) in which law of inertia is valid
C) which is not moving with uniform velocity
D) both a and b

MCQ 4: In photocell caesium, coated oxidized silver cathode emits electrons for

A) visible light
B) ultraviolet
C) infrared light
D) x-rays

MCQ 5: According to the theory of relative mass of an object is

A) depends on particles
B) speed of light
C) volume of object
D) area of object

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