Top 1000+ Solved Physics MCQ Questions Answer
Q. Which of the following is not a part of a CRT?
a. Phosphor screen
b. Shadow mask
c. Electron gun
d. Gas plasma
Q. As we go from Equator to North pole the value of `S, the acceleration due to gravity
a. remains the same
b. decreases
c. increases
d. None of the above
Q. The best conductor of electricity among the following is :
a. Copper
b. Iron
c. Aluminium
d. Silver
Q. The part of the eye having the largest refractive index is -
a. cornea
b. aqueous humor
c. lens
d. vitreous humor
Q. The centre of gravity of a sprinter during the race lies –
a. Ahead of his feet
b. Behind his feet
c. At the centre of the body
d. To the left side of the body
Q. Which of the following liquids has the least density?
a. Fresh water
b. Salt water
c. Petrol
d. Mercury
Q. The hair of shaving brush clings together when removed from water due to –
a. Surface tension
b. Viscosity
c. Elasticity
d. Friction
Q. If a current of 1.5 A is maintained in a resistor of 10 2, then the energy dissipated in the resistor in 1 minute will be :
a. 15 W
b. 22.5 W
c. 135 W
d. 1350 W
Q. A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will -
a. Increase
b. decrease
c. remain unaffected
d. have its shape changed
Q. A larger force on a rotating body results in larger .
a. Mass
b. Torque
c. Axis of rotation
d. Centre of mass