Top 1000+ Solved Physics MCQ Questions Answer
Q. When an object is heated, the molecules of that object -
a. began to move faster
b. lose energy
c. become heavier
d. become lighter
Q. In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie?
a. Visible
b. Infrared
c. Ultraviolet
d. X-ray
Q. Which one of the following reflects back more sunlight as compared to other three?
a. Sand desert
b. Land covered with fresh snow
c. Prairie land
d. Paddy crop land
Q. The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as:
a. Avogadro's law
b. Rault's law
c. Ohms law
d. Faraday's law
Q. At low temperature, Lead behaves as a
a. Semi conductor
b. Super conductor
c. Insulator
d. Conductor
Q. The mean distance from the Sun to the Earth is called:
a. Light year
b. Astronomical Unit
c. Parallactic Second
d. Angstrom
Q. Which of the following is the cleanest source of energy?
a. Biofuel
b. Fossil fuel
c. Nuclear power
d. Wind energy
Q. Sending a frame to a group of stations is known as –
a. Single casting
b. Spreading
c. Multicasting
d. Casting
Q. Which one among the following components can not be developed within an "integrated circuit"?
a. Diode
b. Triode
c. Transformer
d. Transistor
Q. The fuse in an electric circuit is connected in –
a. series with neutral
b. parallel to live
c. parallel to neutral
d. series with live
Q. A particle is thrown vertically upward. When it reaches the highest point, it has –
a. a downward acceleration
b. an upward acceleration
c. a downward velocity
d. a horizontal velocity
Q. The spring balance works on the principle of -
a. Boyle's Law
b. Hooke's Law
c. Bernoulli's principle
d. Pascal's Law