Question:

Isothermal bulk modulus of a gas at a pressure \( P \) is:

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For isothermal processes, the bulk modulus is directly proportional to the pressure of the gas. This is derived from the relationship between pressure and volume during isothermal compression or expansion.
Updated On: May 15, 2025
  • \( \gamma \)
  • \( \gamma P \)
  • \( P \)
  • \( \frac{\gamma}{P} \)
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The Correct Option is C

Solution and Explanation

The isothermal bulk modulus \( K_T \) is defined as the change in pressure \( P \) with respect to the change in volume \( V \) at a constant temperature. For an ideal gas, the isothermal bulk modulus is given by: \[ K_T = P \] Thus, the correct answer is \( P \).
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