Top 1000+ Solved Physics MCQ Questions Answer
Q. The instrument used to see the distant objects on the Earth is –
a. Terrestrial telescope
b. Astronomical telescope
c. Compound microscope
d. Simple microscope
Q. Which of the following principle is used to produce low-temperatures'?
a. Super conductivity
b. Joule-Kelvin effect
c. Thermo-electric effect
d. Adiabatic demagnetization
Q. A current carrying conductor is associated with –
a. a magnetic field
b. an electric field
c. an electro-magnetic field
d. an electrostatic field
Q. The weakest of all fundamental forces is –
a. Gravitational force
b. Electrostatic force
c. Magnetic force
d. Nuclear force
Q. Which of the following instruments is used to measure humidity?
a. Kata Thermometer
b. Anemometer
c. Sling Psychrometer
d. Clinical Thermometer
Q. Persons suffering from myopia are advised to use –
a. convex lens
b. concave lens
c. piano-convex lens
d. plano-concave lens
Q. If cream is removed from milk, its density –
a. Increases
b. Decreases
c. Remains the same
d. May increase or decrease
Q. A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will -
a. first rise and then fall
b. fall
c. remain the same
d. rise
Q. A steam engine converts the heat energy of steam into .
a. Electrical energy
b. Chemical energy
c. Mechanical energy
d. Thermal energy
Q. A boy is standing in front of a plane mirror at a distance of 3 m from it. What is the distance between the boy and his image?
a. 3 m
b. 6 m
c. 4.5 m
d. None of these
Q. Loudness of sound varies directly with vibrating body’s –
a. Intensity
b. Amplitude
c. Pitch
d. Quality
Q. A thin oil film on a water surface appears coloured because of –
a. reflection
b. interference
c. diffraction
d. polarization
Q. Iron which resembles Cobalt and Nickel in properties has been placed far away from these elements. This was one of the limitations of :
a. Modern periodic table
b. Newland's law of octaves
c. Dobereiner's triads
d. Mendeleev's periodic table
Q. How much is the difference of time between any two Consecutive longitudes?
a. 10min
b. 14min
c. 4 min
d. 5:30 min