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Home  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Gravitation

Gas escapes from the surface of a planet because it aquires escape velocity. The escape velocity will depend on which of the following 1) Mass of planet 2) Mass of particle escaping 3) Temperature of the planet 4) Radius of the planet

a) 1 and 2 b) 2 and 4 c) 1 and 4 d) 1, 3 and 4

1 Answer

Escape velocity $v_e=\sqrt {\large\frac{2Gm}{R}}$
ie it depends on mass and radius of the planet
Hence a is the correct answer.

 

answered Aug 9, 2013 by meena.p
edited Feb 17, 2014 by meena.p
 

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