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JEE Advanced2007PhysicsKinetic Theory of GasesActual

Statement I The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and its volume. Statement II The molecules of a gas collide with each other and the velocities of the molecules change due to the collision.

Options

  1. AStatement I is true, Statement II is true; Statement II is a correct explanation for Statement I
  2. BStatement I is true, Statement II is true; Statement II is NOT a correct explanation for Statement I
  3. CStatement I is true, Statement II is false
  4. DStatement I is false, Statement II is true

Correct answer

B. Statement I is true, Statement II is true; Statement II is NOT a correct explanation for Statement I

Step-by-step solution

Total translational kinetic energy = 3 2 n R T= 3 2 P V=1.5 P ~V Correct option is (b).

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