set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

The most important property of nanomaterial is

a) Friction

b) Pressure

c) Force

d) Temperature

Question : 2

Spherical form of raindrop is due to

a) Surface tension

b) Atmospheric pressure

c) Density of liquid

d) Gravitational force

Question : 3

The lift in an aeroplane is based on

a) Theorem of continuity

b) Law of gravitation

c) Pascal’s low

d) Bernoulli’s theorem

Question : 4

At which temperature density of water is maximum?

a) 0°C

b) – 4°C

c) 4°C

d) – 8°C

Question : 5

If the force on the surface is doubled and area is reduced to half, pressure will

a) become 3 times

b) become 2 times

c) become 4 times

d) remain unchanged

Question : 6

The tendency of a liquid drop to contract and occupy minimum area is due to

a) Viscosity

b) Density

c) Surface tension

d) Vapour pressure