I. Alpha rays
II. Beta rays
III. Gamma rays
(A) I only
(B) II only
(C) III only
(D) I and II
The answer is: (D) I and II
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.
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 dimension of Momentum is
(A) MLT
(B) LT–1
(C) MLT–1
(D) MLT–2
The answer is: (C) MLT-1
The SI unit of heat is
(A) joule
(B) ohm
(C) volt
(D) Newton
The answer is: (A) joule
A transistor is a semiconductor device with at least ________ terminals.
(A) 2
(B) 3
(C) 4
(D) 5
The answer is: (B) 3
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
The foot-pound is the unit of
(A) time
(B) length
(C) weight
(D) energy
The answer is: (D) energy
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 attractive force that binds protons and neutrons in nucleus of an atom is known as
(A) Coulomb force
(B) electromagnetic force
(C) nuclear force
(D) electromotive force
The answer is: (C) nuclear force
The speed of light in air is
(A) 2.8×106 m/s
(B) 2.8×108 m/s
(C) 3.0×106 m/s
(D) 3.0×108 m/s
The answer is: (D) 3.0×108 m/s