Top 1000+ Solved Physics MCQ Questions Answer
Q. While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
a. The food is not cooked completely
b. The fuel is not burning completely
c. The fuel is wet
d. The fuel is burning completely
Q. If electrical conductivity increases with the increase of temperature of a substance, then it is a
a. Conductor
b. Semiconductor
c. Insulator
d. Carborator
Q. Automatic wrist watches get energy from -
a. twist in spring
b. liquid crystal
c. kinetic energy
d. movement of our hands
Q. Which one of the following types of glass can cut off ultraviolet rays?
a. Soda glass
b. Pyrex glass
c. Jena glass
d. Crookes glass
Q. The word 'insulation' means –
a. matters which insulate
b. incoming solar radiation
c. insoluble matters
d. None of the above
Q. An object with a constant speed –
a. is not accelerated
b. might be accelerated
c. is always accelerated
d. also has a constant velocity
Q. The instrument used to regulate temperature to a particular degree is called :
a. Thermostat
b. Thermometer
c. Pyrometer
d. Thermocouple
Q. The technique used by bats to find their way or to locate food is .
a. SONAR
b. RADAR
c. Echolocation
d. Flapping
Q. In the absence of the earth's atmosphere, sky would appear –
a. blue
b. deep red
c. white
d. black
Q. If ice floating on water in a vessel melts, the water level in the vessel -
a. increases
b. does not change
c. first increases before decreasing
d. decreases