The variation of pressure with volume of the gas at different temperatures can be graphically represented as shown in Fig. 5.3.

On the basis of this graph answer the following questions.

1. How will the volume of a gas change if its pressure is increased at constant temperature? 

2. At a constant pressure, how will the volume of a gas change if the temperature is increased from 200K to 400K? 

<p><span data-teams="true">This is a short answer type question as classified in NCERT Exemplar</span></p><p><strong>1.&nbsp;</strong>According to Boyle's law, &nbsp;</p><p>Pressure of a gas is inversely proportional&nbsp; to volume of gas at constant temperature. So, the volume decreases with increase in pressure at constant temperature.</p><p><strong>2. </strong>According to Charles's law, </p><p>Volume of a gas is directly proportional to temperature when the pressure is constant. So, the volume of gas increases with increase in temperature.</p>

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