Top 1000+ Solved Physics MCQ Questions Answer
Q. Why the Earth is having its own atmosphere?
a. Winds
b. Clouds
c. Gravity
d. Rotation of the Earth
Q. A ray of white light strikes the surface of an object. If all the colours are reflected, the surface would appear
a. Black
b. White
c. Grey
d. Opaque
Q. It is difficult to walk on ice because of.
a. absence of friction
b. less inertia
c. more inertia
d. more mass
Q. A NOT gate can be implemented by:
a. a single diode
b. two diodes
c. a single resistor
d. a single transistor
Q. If in a motion, the axis of the rotation does not pass through the object, then the motion is called -
a. Spin motion
b. Oscillatory motion
c. Translatory motion
d. Orbital motion
Q. Who among the following evolved the concept of relationship between mass and energy?
a. Einstein
b. Planck
c. Dalton
d. Rutherford
Q. Super cooling is cooling of liquid .
a. below melting point
b. below freezing point
c. at melting point
d. above melting point
Q. The base of an electric iron is brightly polished mainly -
a. to make it smooth and frictionless
b. to make it rust-proof
c. to reduce heat loss by radiation
d. to make it more durable
Q. Oparin's theary about origin of life' is related to -
a. chemical evolution
b. physical evolution
c. biological evolution
d. artificial evolution
Q. Heat given to a body which raises its temperature by 1°C is known as -
a. water equivalent
b. thermal capacity
c. specific heat
d. temperature gradient
Q. Flemings "Left hand Rule" is associated with the effect of –
a. Electric field on current
b. Magnetic field on magnet
c. Electric field on magnet
d. Magnetic Field on current
Q. The force which makes a vehicle to stop when break is applied is called –
a. gravitational force
b. vanderwalls force
c. frictional force
d. covalent force
Q. In radio-communication, the signals emitted by transmitting antenna are reflected on –
a. stratosphere
b. ozonosphere
c. ionosphere
d. troposphere