Top 1000+ Solved Physics MCQ Questions Answer
Q. Spring tides occur when:
a. the moon, the sun and the earth are in the same line
b. the sun is closest to earth
c. the moon is farthest from earth
d. the earth is at right angles with the sun and the moon
Q. When a ship enters the sea from a river
a. It rises a little
b. It sinks a little
c. It remains at the same level
d. It rises or sinks depending on the material it is made of
Q. Why are we able to hear short wave broadcasts better than long wave broadcasts?
a. Short waves are more energetic than long waves
b. Short waves are unaffected by atmospheric disturbances
c. Short wave broadcasts are made by nearby radio stations
d. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances
Q. In severe winter, in cold countries water pipes burst because –
a. Water expands on freezing
b. Contraction of water pipes
c. High atmospheric pressure
d. Combined effect of all the above three
Q. A television channel is characterized by
a. frequency of transmitted signal
b. velocity of transmitted signal
c. physical dimension of television screen
d. size of picture tube
Q. Which one of the following not a feature of Indifference Curve?
a. They do not intersect each other
b. They slope downwards to the right
c. They are parallel to each other
d. They are concave to each other
Q. Heat energy of an object is -
a. The average energy of the molecules of the object
b. The total energy of the molecules of the object
c. The average velocity of the molecules of the object
d. The average P.E. of the molecules of the object
Q. If a body moves with a constant speed in a circle –
a. no work is done on it
b. no force acts on it
c. no acceleration is produced in it
d. its velocity remains constant
Q. A white and smooth surface is –
a. good absorber and good reflector of heat
b. bad absorber and good reflector of heat
c. good absorber and bad reflector of heat
d. bad absorber and bad reflector of heat
Q. It is easier for a man to swim in sea water, than in river water because –
a. the density of sea water is lesser than the density of river water
b. the density of sea water is more than the density of river water
c. the sea is deeper than the river
d. the sea is wider than the river
Q. In the pressure cooker, cooking is faster because the increase in vapour pressure -
a. increase the specific heat
b. decreases the specific heat
c. decreases the boiling point
d. increases the boiling point
Q. Kinetic energy depends on –
a. the velocity or speed of the moving body.
b. the mass of the moving body
c. the pressure of the moving body
d. both mass and velocity of the moving body
Q. The apparent weight of a man in a lift is less the real weight when –
a. the lift is going up with an acceleration
b. the lift is going down with uniform speed
c. the lift is going up with uniform speed
d. the lift is going down with an acceleration
Q. The passengers standing in a bus fall in the backward direction when the stationary bus begins to move. Which of the followinglaws explains this situation?
a. Newton's First Law of Motion
b. Newton's Third Law of Motion
c. Newton's Second Law of Motion
d. The Law of Conservation of Momentum
Q. Plants are dried up in winter due to frost because –
a. Evaporation does not take place
b. Photosynthesis does not take place at such low temperature
c. Respiration does not take place at low temperature
d. There is mechanical loss of tissues and drought condition prevails