Class 11th physics ncert solutions class 11th Kinetic Theory Physics

The following graph represents the $T - V$ curves of an ideal gas (where $T$ is the temperature and $V$ the volume) at three pressures $P_{1}, P_{2}$ and $P_{3}$ compared with those of Charles's law represented as dotted lines.

Option 1 - <p><span contenteditable="false"> <math> <mrow> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> </mrow> </math> </span></p>

Option 2 - <p><span contenteditable="false"> <math> <mrow> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> </math> </span></p>

Option 3 - <p><span contenteditable="false"> <math> <mrow> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> </mrow> </math> </span></p>

Option 4 - <p><span contenteditable="false"> <math> <mrow> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>1</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> <mo>></mo> <msub> <mrow> <mi>P</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> </mrow> </math> </span></p>

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Alok Kumar Singh | Contributor-Level 10

5 months ago

Correct Option - 4

Detailed Solution:

At same temperature, curve with higher volume corresponds to lower pressure.

$V_{3} > V_{2} > V_{1}$

$\Rightarrow P_{1} > P_{2} > P_{3}$

(We draw a straight line parallel to volume axis to get this)

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physics ncert solutions class 11th 2023

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