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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
- An air core solenoid has 1000 turns and is one meter long. Its cross sectional area
- If the length of a stretched string is shortened by 4% and the tension is increased
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- A proton is moving in a uniform magnetic field B in a circular path of radius a
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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