Slope of isotherm for a gas (having gamma=frac{5}{3} ) is 3 × 10^5 ,N / m ^2 . If same gas is under

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11.Thermodynamics

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Slope of isotherm for a gas (having $\gamma=\frac{5}{3}$ ) is $3 \times 10^5 \,N / m ^2$. If the same gas is undergoing adiabatic change then adiabatic elasticity at that instant is ........... $\times 10^5 N / m ^2$

A

$3$

B

$5$

C

$6$

D

$10$

Solution

(b)

Adiabatic elasticity $=\gamma P$

$=\frac{5}{3} \times 3 \times 10^5=5 \times 10^5 \,N / m ^2$

Standard 11

Physics

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