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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
Related Questions: - In a given reaction,
ᴢXᴬ → ᴢ+1Yᴬ → ᴢ-1Kᴬ⁻⁴ → ᴢ-1Kᴬ⁻⁴
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
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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
- In a given reaction, ᴢXᴬ → ᴢ+1Yᴬ → ᴢ-1Kᴬ⁻⁴ → ᴢ-1Kᴬ⁻⁴
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
- If particles are moving with same velocity, then maximum de Broglie wavelength will
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
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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