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

A. Maharashtra

B. Tamil Nadu

C. Uttar Pradesh

D. Karnataka

A. oscillator

B. amplifier

C. rectifier

D. None of these

A. Monazite

B. Thorium

C. Beryllium

D. Chromium

A. GM Counter

B. Cyclotron

C. Bragg spectrometer

D. Mass spectrometer

A. Nuclear power generation

B. Hydrogen bomb

C. Both nuclear and hydrogen bombs

D. Nuclear bomb

A. Robert Boyle

B. Albert Einstein

C. Joseph Proust

D. Jacques Charles

A. α-rays

B. β-rays

C. X-rays

D. UV-rays

A. amplitude modulated

B. frequency modulated

C. unmodulated

D. velocity modulated

A. Uranium

B. Thorium

C. Radium

D. Helium

A. only if the frequency of the incident radiation is above a certain, threshold value

B. only if the temperature of the surface is high

C. at a rate that is independent of the nature of the metal

D. with amaximumvelocity proportional to the frequency of the incident radiation