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Question 6280
NEET Physics · Hard

Gravitation: Gravitation Mixed MCQ

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Gravitation MixedHardQuestion 6280

Question

An artificial satellite orbiting at height R (R = Earth radius). Orbital period (g, R):
  1. A
    2π√(R/g)
  2. B
    2π√(8R/g)
    Correct
  3. C
    2π√(2R/g)
  4. D
    2π√(4R/g)

Correct answer

2π√(8R/g)

Explanation

r = 2R. T = 2π√(r³/GM) = 2π√(8R³/gR²) = 2π√(8R/g).

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