Questions
Why moon does not have atmosphere?
a
Due to low temperature, gases have liquified
b
Due to high gravity of Earth, Earth has pulled the atmosphere of Moon
c
Due to high gravity of Sun, Sun has pulled the atmosphere of Moon
d
Speed of gas molecules is comparable to escape speed on Moon
detailed solution
Correct option is D
VESCAPE=2GMR=26.6×10−117.3×10221734×103=2.35 km/sec which is comparable to speeds of gas molecules at prevalent conditions of temperature on Moon.Talk to our academic expert!
Similar Questions
If four molecules of a gas have speed 2, 4, 6, 8 kms-1 respectively, then root mean square speed (in kms-1) will be .. and respectively.
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