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Statement (I): Gas thermometers are less sensitive than liquid thermometers.
Satement (II): The ratio of universal gas constant and avagadro’s number is called Boltzman’s constant.
Statement(III): The density of a given mass of a gas at constant pressure is inversely proportional to its absolute temperature.
The correct option among the following is

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Statements I, II are true, but statement III is false

Both statements I, II, III are true

Statement II, III are true, but statement I is false

Statements I, II, III are false

answer is C.

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Detailed Solution

Gas thermometers are very sensitive as expansion of gases is very large.

The Boltzman's constant is R/N=k where R is the universal gas constant and N is the Avagrado's No.

Density of a gas is inversely proportional to temperature at constant pressure because on heating volume increases and density decreases.

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