physical properties of materials - Category wise Question and Answer Practice Test with Solutions

Question : 26

Houses far from the municipal water tank find it difficult to get water on the top floor even if their ceilings are lower than the level of water filled in tank. Its reason is

a) pipes are less wide.

b) pipes are more wide.

c) when water flows there is loss of pressure.

d) None of these

Question : 27

Working of atomizer is based on

a) Bernoulli’s law

b) Boyle’s law

c) Newton’s laws of motion

d) Archimedes’ principle

Question : 28

The rain drops falling from the sky neither injure us nor make holes on the ground because they move with

a) variable acceleration

b) constant acceleration

c) variable speed

d) constant terminal velocity

Question : 29 [RAS/RTS (Pre) 2007]

In a capillary tube a fluid rises more as compared to water, it is due to

a) Temperature of fluid is more than that of water

b) Surface tension of fluid is less than that of water

c) Fluid is more viscous than that of water

d) Surface tension of fluid is more than that of water

Question : 30

The bulk modulus for an incompressible liquid is

a) unity

b) zero

c) infinity

d) between 0 and 1