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General Scientific Laws


13. 

The excess pressure applied at a point inside a liquid at rest is distributed equally in all directions. This principle is known as

Answer : D. Pascal's law

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14. 

Pyrometer works on

Answer : C. Stefan’s law

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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?

Answer : B. Hooke’s Law

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16. 

Kepler’s first law of planetary motion is also called

Answer : C. law of orbits

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17. 

Which law states that equal volume of all gases under the same conditions of temperature and pressure contain equal number of molecules?

Answer : A. Avagadro’s Law

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18. 

The force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?

Answer : D. Coulomb’s Law

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