Variation of g with height h above the Earth's surface (for h ≪ R) is approximately:
Ag(1 + h/R)
Bg(1 − 2h/R)
Cg(1 − h/R)
Dg(1 + 2h/R)
Answer & Solution
Correct answer: B. g(1 − 2h/R)
g_h = g(1 + h/R)⁻² ≈ g(1 − 2h/R) for small h.
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