At a small height above Earth’s surface the decrease in acceleration due to gravity is

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

At a small height hh above Earth’s surface the decrease in acceleration due to gravity is Δg1\Delta g_1. At the same depth hh below the surface the decrease is Δg2\Delta g_2. Which relation between Δg1\Delta g_1 and Δg2\Delta g_2 is correct? (a) Δg1=Δg2\Delta g_1 = \Delta g_2 (b) Δg1=12 Δg2\Delta g_1 = \dfrac{1}{2}\,\Delta g_2 (c) Δg1=2 Δg2\Delta g_1 = 2\,\Delta g_2 (d) Δg1=4 Δg2\Delta g_1 = 4\,\Delta g_2

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