set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Kerosene rises in the wick of the stove is due to

a) Diffusion

b) Surface tension

c) Osmosis

d) Biogen contraction

Question : 2

Why the dam of water reservoir is thick at the bottom?

a) Density of water increases with depth

b) Quantity of water increases with depth

c) Pressure of water increases with depth

d) Temperature of water increases with depth

Question : 3

Liquid pressure at a point in a liquid does not depend on the

a) shape of the vessel in which the liquid is kept

b) density of liquid

c) depth of the point from the surface

d) acceleration due to gravity

Question : 4

Elastomers are the materials which

a) have very small elastic range

b) are not elastic at all

c) do not obey Hooke’s law

d) None of these

Question : 5

Which of the following is the byproduct derived from the refining process of petroleum?

a) Charcoal

b) Coal

c) Petrol

d) Asphalt

Question : 6

A stretched rubber has

a) increased potential energy

b) increased kinetic energy

c) decreased kinetic energy

d) decreased potential energy