set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

The action of a nib split at the top is explained by

a) diffusion of fluid

b) gravity flow

c) capillary action

d) osmosis of liquid

Question : 2

Increasing the amount of a substance does not change its

a) Weight

b) Mass

c) Volume

d) Density

Question : 3

Kerosene oil floats on water because

a) Its density is less than the density of water

b) Its density is equal to that of the density of water

c) Its density is greater than the density of water

d) None of the above

Question : 4

Pressure inside a soap bubble is

a) Less than atmospheric pressure

b) Equal to atmospheric pressure

c) More than atmospheric pressure

d) Half of atmospheric pressure

Question : 5

In solids, interatomic forces are

a) totally attractive

b) totally repulsive

c) combination of (a) and (b)

d) None of these

Question : 6

A man is sitting in a boat which is floating in pond. If the man drinks some water from the pond, the level of water in the pond will

a) fall a little

b) rise a little

c) remain stationary

d) None of these