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At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth's atmosphere? (Given : Mass of oxygen molecule
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Correct option is B
Escape velocity from the Earth's surface is vescape =11200 m s-1Say at temperature T, oxygen molecule attains escape velocity. So, vescape =3kBTmO2⇒11200=3×1.38×10-23×T2.76×10-26 On solving, T=8.360×104 KSimilar Questions
An ideal Carnot engine whose efficiency is 40% receives heat at 500K if the efficiency is to be 50%, the intake temperature for the same exhaust temperature is.
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