Gravitation Question 138
Question: Gas escapes from the surface of a planet because it acquires an escape velocity. The escape velocity will depend on which of the following factors : Mass of the planet Mass of the particle escaping Temperature of the planet Radius of the planet Select the correct answer from the codes given below: [SCRA 1994]
Options:
A)I and II
B) II and IV
C) I and IV
D) I, III and IV
Show Answer
Answer:
Correct Answer: C
Solution:
$ [v_{e}=\sqrt{\frac{2GM}{R}}] $ i.e. escape velocity depends upon the mass and radius of the planet.
