(A) condensation and convection
(B) convection and radiation
(C) radiation and evaporation
(D) condensation and evaporation
The answer is: (D) condensation and evaporation
Category: Physics MCQs FPSC NTS PPSC Past Papers Test Questions
Physics MCQs quiz test questions with answers for FPSC CSS PPSC NTS SPSC KPPSC test preparation, including questions from physics past papers. Basic Physics MCQ of class 9, 10, 11, 12 and advanced Physics MCQs of BSc, MSc or Masters level.
Air is a very good ________ of heat.
(A) conductor
(B) insulator
(C) radiator
(D) evaporator
The answer is: (B) insulator
Which radiation has the lowest frequency in the electromagnetic spectrum?
(A) X-rays
(B) Gamma rays
(C) Ultraviolet rays
(D) Radio rays
The answer is: (D) Radio rays
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
The speed of sound will be maximum if passing through
(A) vacuum
(B) air
(C) water
(D) iron
The answer is: (D) iron
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 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
In metals, the charge carriers are
(A) electrons
(B) protons
(C) neutrons
(D) none of these
The answer is: (A) electrons
A device that accelerates beams of charged particles is known as
(A) Capacitor
(B) Resistor
(C) Cyclatron
(D) Synchrotron
The answer is: (C) Cyclatron
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