force of gravity, solids and fluids - Category wise Question and Answer Practice Test with Solutions

force of gravity, solids and fluids PRACTICE TEST [2 - EXERCISES]

set 1

set 2

Question : 11

The value of acceleration due to gravity

a) is least on equator

b) is least on poles

c) is same on equator and poles

d) increases from pole to equator

Answer: (b)

Question : 12

When pressure exerted on an enclosed liquid or gas at rest, is transmitted equally in all the directions, is in accordance with:

a) Archimedes' principle

b) Boyle's law

c) Pascal's law

d) Principle of floatation

Answer: (c)

Question : 13 [CDS]

A liquid is kept in a regular cylindrical vessel upto a certain height. If this vessel is replaced by another cylindrical vessel having half the area of cross-section of the bottom, the pressure on the bottom will

a) be increased to twice the earlier pressure

b) be reduced to half the earlier pressure

c) remain unaffected

d) be reduced to one-fourth the earlier pressure

Answer: (c)

Question : 14

Which one of the following statements regarding artificial satellite of the earth is incorrect?

a) The period of revolution is large if the radius of its orbit is large

b) A minimum velocity of 8 km/s is required by a satellite to orbit quite close to the earth

c) The orbital velocity depends on the mass of the satellite

d) The height of a geostationary satellite is about 36000 km from the earth.

Answer: (c)

Question : 15 [NDA]

A liquid rises to a certain length in a capillary tube. The tube is inclined to an angle of The length of the liquid column will

a) remain unchanged

b) decrease

c) increase

d) first decrease and then increase

Answer: (a)

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1633 force of gravity solids and fluids based general science mcq set 1 question answer with explanation pdf
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