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12 . kinetic theory of gases — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics12 . kinetic theory of gases1 Mark
MCQ
Assertion $(A):$ 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 volume.

Reason $(R):$ The molecules of gas collide with each other and the velocities of the molecules change due to the collision.

  • A
    If both Assertion and Reason are true and Reason is correct explanation of Assertion.
  • ✓
    If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
  • C
    If Assertion is true but Reason is false.
  • D
    If both Assertion and Reason are false.
✓

Answer

Correct option: B.
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
b
(b)

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