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

The correct relation between the degrees of freedom f and the ratio of specific heat $γ i s :$

Option 1 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mi>f</mi> <mo>=</mo> <mfrac> <mrow> <mn>2</mn> </mrow> <mrow> <mi>γ</mi> <mo>+</mo> <mn>1</mn> </mrow> </mfrac> </mrow> </math> </span></p>

Option 2 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mi>f</mi> <mo>=</mo> <mfrac> <mrow> <mn>2</mn> </mrow> <mrow> <mi>γ</mi> <mo>−</mo> <mn>1</mn> </mrow> </mfrac> </mrow> </math> </span></p>

Option 3 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mi>f</mi> <mo>=</mo> <mfrac> <mrow> <mn>1</mn> </mrow> <mrow> <mi>γ</mi> <mo>+</mo> <mn>1</mn> </mrow> </mfrac> </mrow> </math> </span></p>

Option 4 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mi>f</mi> <mo>=</mo> <mfrac> <mrow> <mi>γ</mi> <mo>+</mo> <mn>1</mn> </mrow> <mrow> <mn>2</mn> </mrow> </mfrac> </mrow> </math> </span></p>

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Answered by

Vishal Baghel | Contributor-Level 10

6 months ago

Correct Option - 2

Detailed Solution:

$γ = 1 + \frac{2}{f} \Rightarrow \frac{2}{f} = γ - 1 \Rightarrow f = \frac{2}{γ - 1}$

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physics ncert solutions class 11th 2023

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