Modern Physics MCQ question and answer with solution | Physics Gk MCQs

A. J Robert Oppenheimer

B. John Bau a Ning

C. Samuel Cohan

D. Samuel Colt

A. Thomson

B. Goldstein

C. W-Crookes

D. Rutherford

A. positive rays

B. neutral rays

C. helium rays

D. electron waves

A. when low speed electrons is ejected

B. when high speed electron is obstructed by a metal surface

C. when anode-ray obstructed by a solid object

D. when γ-ray is obstructed by a solid object

A. fusion reactions

B. fission reactions

C. combustion reactions

D. chemical reactions

A. is the smallest particle of the matter

B. is the biggest particle of thematter

C. is made up of electron, proton and neutron

D. Both A and C

A. transformer

B. dynamo

C. oscillator

D. rectifier

A. Thorium

B. Graphite

C. Radium

D. Ordinary water

A. proton

B. electron

C. photon

D. alpha particle

A. nuclear fission

B. nuclear fusion

C. natural radioactivity

D. artificial radioactivity reactions