set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

A sudden fall in barometer reading indicates that the weather will be

a) Rainy weather

b) Cool dry weather

c) Stormy weather

d) Hot and humid weather

Question : 2

Static science is associated with

a) Situation of rest

b) Mental situation

c) Dynamic situation

d) Data analyzing

Question : 3

A body floats in a liquid containing in a beaker. The whole system as shown in Fig. is falling under gravity. The upthrust on the body due to liquid is

a) equal to weight of body in air

b) zero

c) equal to weight of liquid displaced

d) equal to weight of immersed part of the body

Question : 4

Ideal liquid is that liquid

a) whose viscosity is zero

b) whose density is zero

c) which is compressible

d) None of these

Question : 5

A body floats at 4ºC water. If temperature reaches 100ºC, then

a) No change

b) More part of the body will submerge

c) The body will sink

d) The body will float freely

Question : 6

For which one of the following capillarity is not the only reason?

a) Rising of underground water

b) Spread of water drop on a cotton cloth

c) Blotting of ink

d) Rising of water from the roots of a plant to its foliage