Physics GK Questions Answer – General Knowledge MCQ
Physics, the fundamental science that seeks to uncover the laws governing the universe, is a fascinating and intricate field. From the tiniest subatomic particles to the vast expanse of the cosmos, physics provides insights into the nature of reality. Whether you’re a student delving into the subject or a curious mind eager to challenge your understanding, multiple-choice questions (MCQs) offer an engaging way to test and enhance your knowledge. In this article, we’ll explore a variety of physics MCQ questions and answers that cover different aspects of the subject.
1) Number of basic SI unit is:
a) 4
b) 7
c) 6
d) 5
2) Which of the following is not the unit of energy:
a) Calorie
b) Joule
c) Electron volt
d) Watt
3) Light year is unit of:
a) time
b) Speed of light
c) distance
d) mass
4) Which of the following is the example of ideal black body
a) kajal
b) black board
c) a pin hole box
d) none of these
5)The best conductor of heat among the following is-
a) Alcohol
b) Mercury
c) Ether
d)Water
6) The rest mass of a photon is
a) very small
b) very large
c) zero
d) dependent on velocity
7) The zero layer in the atmosphere is at a height of about
a) 25km
b) 50 km
c) 100km
d) 200km
8) Dioptere is the unit of—
a) power of a lens
b) focal length of a lens
c) light intensity
d) sound intensity
9) The unit of luminous efficiency of an electric bulbs is
a) watt
b) lumen
c) lux
d) lumen/watt
10) What is the maximum number of different electrical combination possible with three equal resistances?
a) 2
b) 3
c) 4
d) 5