Top 1000+ Solved Physics MCQ Questions Answer
Q. Rotational axis of which of the following planet is highly tilted?
a. Earth
b. Uranus
c. Neptune
d. Jupiter
Q. A needle or a pin floats on the surface of water because of –
a. Surface tension
b. Surface energy
c. Viscosity
d. Adhesive force
Q. Instrument used to study the behaviour of a vibrating siring is :
a. Barometer
b. Hydrometer
c. (2) Hygrometer
d. (4) Sonometer
Q. The mass of water vapour per unit volume of air is known as -
a. relative humidity
b. specific humidity
c. absolute humidity
d. variable humidity
Q. If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to .
a. 300 m
b. 30 m
c. 3 m
d. 0.3 m
Q. Quality of transmission depends upon
a. Nature of signal only
b. Nature of medium only
c. Both (1) and (2)
d. Neither A nor B
Q. The oil in the wick of an oil lamp rises up due to:
a. capillary action
b. low viscosity of oil
c. gravitational force
d. pressure difference
Q. Which of the following properties is generally found, in non-metals?'
a. Brittleness
b. Conductivity
c. Ductility
d. Malleability
Q. Electro-static precipitator is used to control –
a. Chemical Pollutants
b. Radio-active Pollutants
c. Water Pollutants
d. Air Pollutants
Q. The Newton's First Law is also called as
a. Law of moments
b. Law of inertia
c. Law of energy
d. Law of momentum
Q. Hydraulic machines work under the principle of –
a. Newton’s law
b. Joule law
c. Pascal’s law
d. Floatation law
Q. The scientist who first discovered that the Earth revolves round the Sun was -
a. Newton
b. Dalton
c. Copernicus
d. Einsteirn
Q. The type of minor used in automobiles to see the traffic on the rear side is –
a. Concave
b. Plano-Convex
c. Plane
d. Convex