JEE Advanced 2021 Full Test 1 Paper 2

PART – I

Physics

SECTION – A (One or More than one correct type)
This section contains 06 multiple choice questions. Each question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these four options is(are) correct.

Question : 3 of 54

Marks: +1, -0

A satellite of mass m is orbiting a planet of mass M at a radial distance r0 from the centre of the planet. The satellite expels a small mass in a direction opposite to its orbital velocity. The immediate recoil velocity of the satellite exceeds the initial orbital velocity by Δv for which the satellite remains within the gravitational field of the planet is:

√
2GM
r0
√
GM
2r0
(√2−1)√
GM
r0
None of the above

Validate

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