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Two satellites A and B of masses `m_1` and `m_2 (m_1 = 2m_2)` are moving in circular orbits of radii `r_1` and `r_2 (r_1 = 4r_2)` respectively, around the earth. If their periods are `T_A` and `T_B`, then the ratio `T_A/T_B` is

A

4

B

16

C

2

D

8

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The correct Answer is:
D
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