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  4. Volume-temperature graph at atmospheric pressure for a monoatomic gas ( V text in text m3, text T text in text ° C ) is

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Q. Volume-temperature graph at atmospheric pressure for a monoatomic gas $ \left( V\text{ }in\text{ }{{m}^{3}},\text{ }T\text{ }in\text{ }{}^\circ C \right) $ is

ManipalManipal 2008

Solution:

At constant pressure, the volume of a given mass of a gas is directly proportional to its absolute temperature $ (T) $ . $ ie, $ $ \frac{V}{T}= $ constant.
This is another form of Charles law. Hence, variation of volume with temperature is as follows. Hence, correct graph will be (c).

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