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In a vessel, the gas is at a pressure P. If the mass of all the molecules is halved and their speed is doubled, then the resultant pressure will be
Options
(a) 4 P
(b) 2 P
(c) PVᵞ = constant
(d) P/2
Correct Answer:
2 P
Explanation:
P = 1/3 mn / V . V²ᵣₘₛ When mass is halved and speed is doubled then
Resultant pressure, Pᵗ = 1/3 x m/2 x n/V (2vᵣₘₛ)² = 2 P.
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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
- Two balls are dropped from heights h and 2h respectively. The ratio of times
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric
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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