General Scientific Laws TNPSC Group 1 Questions

Physics

General Scientific Laws MCQ Questions

13.
The excess pressure applied at a point inside a liquid at rest is distributed equally in all directions. This principle is known as
A.
Boyle's Law
B.
Charle's Law
C.
Avogadro's Law
D.
Pascal's law
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ANSWER :
D. Pascal's law
14.
Pyrometer works on
A.
Charles’s law
B.
Boyle’s law
C.
Stefan’s law
D.
none of these
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ANSWER :
C. Stefan’s law
15.
Which law states that the extension of a spring is proportional to the tension stretching it. Doubling of the tension results in the doubling of the amount of stretch?
A.
Coulomb’s Law
B.
Hooke’s Law
C.
Archimedes Principle
D.
Newton’s Laws
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ANSWER :
B. Hooke’s Law
16.
Kepler’s first law of planetary motion is also called
A.
law of periods
B.
law of areas
C.
law of orbits
D.
law of distances
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ANSWER :
C. law of orbits
17.
Which law states that equal volume of all gases under the same conditions of temperature and pressure contain equal number of molecules?
A.
Avagadro’s Law
B.
Ohm's Law
C.
Archimedes Principle
D.
Newton’s Laws
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ANSWER :
A. Avagadro’s Law
18.
The force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?
A.
Ohm's Law
B.
Archimedes Principle
C.
Newton’s Laws
D.
Coulomb’s Law
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ANSWER :
D. Coulomb’s Law