(A) joule
(B) ohm
(C) volt
(D) Newton
The answer is: (A) joule
Tag: past papers physics mcqs
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
In metals, the charge carriers are
(A) electrons
(B) protons
(C) neutrons
(D) none of these
The answer is: (A) electrons
The wire used to make heating elements in electric kettles and irons are made of
(A) nichrome
(B) chromel
(C) tungsten
(D) fire-clay
The answer is: (A) nichrome
The wire used to make the filament of a light bulb is made of
(A) nichrome
(B) chromel
(C) tungsten
(D) fire-clay
The answer is: (C) tungsten
The speed of sound will be maximum if passing through
(A) vacuum
(B) air
(C) water
(D) iron
The answer is: (D) iron
Which rays are useful in cancer treatment?
(A) X-rays
(B) Gamma rays
(C) Ultraviolet rays
(D) Radio rays
The answer is: (B) Gamma rays