(A) Rutherford
(B) Becquerel
(C) Tesla
(D) Curie
The answer is: (C) Tesla
The Tesla is the SI unit of magnetic flux density, it represents the strength of a magnetic field. It is not a unit of radioactivity.
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.
The strongest part(s) of a magnet is/are
(A) south pole
(B) north pole
(C) south and north pole
(D) median of south and north pole
The answer is: (C) south and north pole
The strongest parts of a magnet are south and north pole.
The speed of sound is the fastest in
(A) Solids
(B) Liquids
(C) Gasses
(D) Vacuum
The answer is: (A) Solids
The speed of sound is the fastest in solids.
The speed of sound is the slowest in
(A) Solids
(B) Liquids
(C) Gasses
(D) Vacuum
The answer is: (C) Gasses
The speed of sound is the slowest in gasses.
The speed of sound in air is about
(A) 243 m/s
(B) 283 m/s
(C) 343 m/s
(D) 383 m/s
The answer is: (C) 343 m/s
The speed of sound in air is about 343 meter per second.
Wind is caused by difference in atmospheric
(A) temperature
(B) pressure
(C) water vapors
(D) altitude
The answer is: (B) pressure
Wind is caused by difference in atmospheric pressure.
Plaster of Paris is normally produced by heating
(A) Zinc
(B) Lead
(C) Gypsum
(D) Graphite
The answer is: (C) Gypsum
Plaster of Paris is normally produced by heating Gypsum.
Which celestial body is considered the only natural satellite of the Earth?
(A) Sun
(B) Moon
(C) Venus
(D) Mars
The answer is: (B) Moon
The moon is the only natural satellite of the planet Earth.
What is kinetic energy of a particle of mass 2 kg moving with a speed of 20 m/s?
(A) 340 joule
(B) 360 joule
(C) 380 joule
(D) 400 joule
The answer is: (D) 400 joule
KE=(1/2)mv2 = (1/2)2(20)2 = 400 joule
In Celsius scale, the temperature “Absolute zero” is equivalent to
(A) –273 °C
(B) 0 °C
(C) 100 °C
(D) 273 °C
The answer is: (A) –273 °C