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 :

I. Mass of the planet

II. Mass of the particle escaping

III. Temperature of the planet

IV. Radius of the planet

Select the correct answer from the codes given below :

a)

I and II

b)

II and IV

c)

I and IV

d)

I, III and IV

Question

Question ID - 54560 :-

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 :

I. Mass of the planet

II. Mass of the particle escaping

III. Temperature of the planet

IV. Radius of the planet

Select the correct answer from the codes given below :

a)

I and II

b)

II and IV

c)

I and IV

d)

I, III and IV

1 Answer

5876 Votes

score 3537 · Accepted Answer

Answer Key : (c) -

(c)

escape velocity depends upon the mass and radius of the planet

A space ship moves from earth to moon and back. The greatest energy required for the space ship is to overcome the difficulty in
a)	Entering the earth’s gravitational field
b)	Take off from earths field
c)	Take off from lunar surface
d)	Entering the moon’s lunar surface