Heat and Thermodynamics 6 Question 9

13. Which of the following graphs correctly represent the variation of β=dV/dpV with p for an ideal gas at constant temperature?

(2002,2M) (a)

(c)

(b)

(d)

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Answer:

Correct Answer: 13. (c)

Solution:

  1. β=dV/dpV= compressibility of gas

=1 Bulk modulus of elasticity 

and β=1p under isothermal conditions.

Thus, β versus p graph will be a rectangular hyperbola.



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