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The root mean square speed of oxygen molecule (O₂) at a certain temperature is v. If the temperature is doubled and the oxygen gas dissociates into atomic oxygen, the rms speed would be
Options
(a) v
(b) √2 v
(c) 2v
(d) 2√2 v
Correct Answer:
2v
Explanation:
The rms speed is given by
v(rms) = √(3RT / M)
[v(rms)]o₂ = √(3RT / M) = √(3RT / M) = v
[v(rms)]o = √[3R(2T) / M] = 2 √(3RT / M) = 2v
Related Questions: - The instantaneous values of alternating current and voltages in a circuit are given as
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
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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
- The instantaneous values of alternating current and voltages in a circuit are given as
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
- A uniform plank of Young’s modulus Y is moved over a smooth horizontal surface
- A particle moves in xy plane according to the equation x = 4t² + 5t + 16 and y = 5t
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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