Top 1000+ Solved Physics MCQ Questions Answer
Q. A device which is used to limit the current in an electrical circuit is called a -
a. Grid
b. Fuse
c. Hub
d. Conductor
Q. Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have –
a. equal volume
b. equal weight
c. equal density
d. equal mass
Q. Minimum numbers of unequal vectors which can give zero resultant are -
a. Two
b. Three
c. Four
d. More than four
Q. Water is not suitable as a calorimetric substance because it –
a. has high specific heat
b. is a good conductor
c. has high boiling point
d. low latent heat of vaporization
Q. When a body falls from an aeroplane, there is increase in its –
a. Kinetic energy
b. Mass
c. Acceleration
d. Potential energy
Q. Which among the following types of coal produces most heat per unit?
a. Coal
b. Lignite
c. Anthracite
d. Pit
Q. Which among the following waves is used for communication by artificial satellites?
a. Micro waves
b. Radio waves
c. A. M.
d. Frequency of 1016 series
Q. Energy is continuously created in the sun due to –
a. Nuclear fusion
b. Nuclear fission
c. Radioactivity
d. Artificial radioactivity
Q. When the barometer reading dips suddenly, it is an indication of –
a. Hot weather
b. Calm weather
c. Storm
d. Dry weather
Q. Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______.
a. light waves
b. electromagnetic waves
c. electric waves
d. magnetic waves
Q. Which one of the following instruments is used to study dispersion of light?
a. Microscope
b. Telescope
c. Spectrometer
d. Photometer
Q. A falling drop of rain water ac-quires the spherical shape due to –
a. Viscosity
b. Surface Tension
c. Atmospheric pressure
d. Gravitational force