37. On any planet, the presence of atmosphere implies
( Crms = root mean square velocity of molecules and Ve = escape velocity)
(a) Crms < Ve (b) Crms > Ve
(c) Crms= Ve (d) Crms =0
Answer-a
(14)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)