(A) Coulomb force
(B) electromagnetic force
(C) nuclear force
(D) electromotive force
The answer is: (C) nuclear force
Tag: physics mcqs
An element is identified by the number of ________ in its ________.
(A) protons, nucleus
(B) neutrons, nucleus
(C) electrons, atom
(D) positrons, atom
The answer is: (A) protons, nucleus
The foot-pound is the unit of
(A) time
(B) length
(C) weight
(D) energy
The answer is: (D) energy
All electromagnetic radiations travel through vacuum with the speed
(A) equal the speed of light
(B) less than the speed of light
(C) greater than the speed of light
(D) (A) or (B)
The answer is: (A) equal the speed of light
A transistor is a semiconductor device with at least ________ terminals.
(A) 2
(B) 3
(C) 4
(D) 5
The answer is: (B) 3
The SI unit of heat is
(A) joule
(B) ohm
(C) volt
(D) Newton
The answer is: (A) joule
The dimension of Momentum is
(A) MLT
(B) LT–1
(C) MLT–1
(D) MLT–2
The answer is: (C) MLT-1
Which of the following electromagnetic radiation is associated with heat transfer through radiation?
(A) Microwaves
(B) Infrared rays
(C) X-Rays
(D) Gamma rays
The answer is: (B) Infrared rays
The branch of Physics that deals with behaviour and properties of light is called
(A) Electrostatics
(B) kinematics
(C) Mechanics
(D) Optics
The answer is: (D) Optics
A device that accelerates beams of charged particles is known as
(A) Capacitor
(B) Resistor
(C) Cyclatron
(D) Synchrotron
The answer is: (C) Cyclatron