37. The escape velocity of a planet having mass 6 times and radius 2 times as that of earth is
(a) √3 ve (b) 3 ve
(c) √2 ve (d) 2 ve
Answer: a
(6)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)