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The velocity of molecules of a gas at temperature 120 K is v. At what temperature will the velocity be 2v?
Options
(a) 120 K
(b) 240 K
(c) 480 K
(d) 1120 K
Correct Answer:
480 K
Explanation:
[ʋ(rms)]² ∝ absolute temperature
[ʋ₂ / ʋ₁]² = T₂ / T₁ ⇒ (2V / V)² = T₂ / 120
.·. T₂ = 120 × 4 = 480 K
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Topics: Behavior of Perfect Gas and Kinetic Theory
(34)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire of length 1 m is placed in a uniform magnetic field of 1.5 tesla at an angle
- In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
- A ball rolls off the top of stair way with a horizontal velocity of magnitude 1.8 m/s
- A concave mirror ia placed over a beaker containing water of
- 180⁰ phase difference is obtained when light ray is reflected from
Topics: Behavior of Perfect Gas and Kinetic Theory (34)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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