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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
- Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual
- Three unequal resistors in parallel are equivalent to a resistance 1 Ω.
- If oxygen has root mean square velocity of C m/s, then root mean square velocity of H
- For a normal eye, the cornea of eye provides a converging power 40 D and the least
- A perfect gas at 27° C is heated at constant pressure to 327° C. If original volume of gas
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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