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 
Boltzmann’s constant 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Escape velocity from the Earth’s surface is
Say at temperature T, oxygen molecule attains escape velocity.
So, 
On solving, 
K.
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