set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on force of gravity, solids and fluids topic of general science mcq
The tidal waves in sea are primarily due to the gravitational effect of earth.
Reason :
The intensity of gravitational field of earth is maximum at the surface of earth.
(a) Assertion is correct, reason is incorrect
(b) Assertion is correct, reason is correct; reason is not a correct explanation for assertion
(c) Assertion is correct, reason is correct; reason is a correct explanation for assertion.
(d) Assertion is incorrect, reason is correct.
The correct answers to the above question in:
Answer: (d)
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Read more physics concept Based General Science Questions and Answers
Question : 1
The tendency of a liquid drop to contract and occupy minimum area is due to :
a) density
b) viscosity
c) surface tension
d) vapour pressure
Answer »Answer: (c)
Question : 2
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 »Answer: (b)
Question : 3
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 »Answer: (c)
Question : 4
Which type/types of pen uses/use capillary action in addition to gravity for flow of ink?
a) Gel pen
b) Ballpoint pen
c) Fountain pen
d) Both ballpoint and gel pens
Answer »Answer: (c)
Question : 5
When a ship floats on water
a) the mass of water displaced is lesser than the mass of the ship
b) the mass of water displaced is equal to the mass of the ship
c) it displaces no water
d) the mass of water displaced is greater than the mass of the ship
Answer »Answer: (d)
Question : 6
Three identical vessels A, B and C are filled with water, mercury and kerosene respectively up to an equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simultaneously, then which vessel is emptied first?
a) Vessel A
b) All the vessels A, B and C will be emptied simultaneously
c) Vessel B
d) Vessel C
Answer »Answer: (d)
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