A cylinder containing an ideal gas is in vertical position and has a piston of mass M that is able to move up or down without friction (Fig). If the temperature is increased
(a) Both p and V of the gas will change.
(b) Only p will increase according to Charle’s law.
This is a multiple choice answer as classified in NCERT Exemplar
(c) The pressure inside the gas will be
P= pa+Mg/A
A= area of piston
Pa= atmospheric pressure
Mg = weight of piston
When temperature is increases
pV=nRT so volume increases at constant pressure.
<p><span data-teams="true">This is a multiple choice answer as classified in NCERT Exemplar</span></p><p> (c) The pressure inside the gas will be </p><div><div><picture><source srcset="https://images.shiksha.com/mediadata/images/articles/1745555339phpgo4WZJ_480x360.jpeg" media=" (max-width: 500px)"><img src="https://images.shiksha.com/mediadata/images/articles/1745555339phpgo4WZJ.jpeg" alt="" width="210" height="148"></picture></div></div><p>P= p<sub>a</sub>+Mg/A</p><p>A= area of piston</p><p>P<sub>a</sub>= atmospheric pressure</p><p>Mg = weight of piston</p><p>When temperature is increases</p><p>pV=nRT so volume increases at constant pressure.</p>
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