set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 2 EXERCISES
The following question based on physical properties of materials topic of general science mcq
(a) surface tension
(b) diffusion of the oil through the wick
(c) buoyant force of air
(d) the gravitational pull of the wick
The correct answers to the above question in:
Answer: (a)
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Read more physical properties of materials Based General Science Questions and Answers
Question : 1
Surface tension of a liquid is due to
a) electrical force between molecules
b) gravitational force between molecules
c) adhesive force between molecules
d) cohesive force between molecules
Answer »Answer: (d)
Surface tension of a liquid is due to force of attraction between like molecules of a liquid i.e. cohesive force between the molecules.
Question : 2
A needle sinks in water whereas a ship made of iron floats on it because
a) The ship is flat
b) The ship driver, by power flat engine
c) The edge of the needle is pointed
d) Specific gravity of the needle is greater than that of water displaced by it
Answer »Answer: (d)
Question : 3
A man is sitting in a boat which is floating in pond. If the man drinks some water from the pond, the level of water in the pond will
a) fall a little
b) rise a little
c) remain stationary
d) None of these
Answer »Answer: (c)
Question : 4
The lift in an aeroplane is based on
a) Theorem of continuity
b) Law of gravitation
c) Pascal’s low
d) Bernoulli’s theorem
Answer »Answer: (d)
Question : 5
Spherical form of raindrop is due to
a) Surface tension
b) Atmospheric pressure
c) Density of liquid
d) Gravitational force
Answer »Answer: (a)
Question : 6
The most important property of nanomaterial is
a) Friction
b) Pressure
c) Force
d) Temperature
Answer »Answer: (a)
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