IIT JEE Advanced 2012 Paper 2

Section: Physics

Question : 17 of 60

Marks: +1, -0

Two spherical planets P and Q have the same uniform density ρ, masses MP and MQ and surface areas A and 4A, respectively. A spherical planet R also has uniform density ρ and its mass is (MP+MQ). The escape velocities from the planets P, Q and R are VP,VQ and VR, respectively. Then

[JEE Adv 2012 P2]

VQ > VR > VP
VR > VQ > VP
VR
VP
= 3
VP
VQ
=
1
2

Validate

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