Standard Books Physics Gravitational Field and Potential MCQ Question with Solution

The gravitational field intensity at a point 10,000 km from the centre of the Earth is 4.8 N kg⁻¹. The gravitational potential at that point is

A

−4.8 × 10⁷ J kg⁻¹

B

−2.4 × 10⁷ J kg⁻¹

C

4.8 × 10⁶ J kg⁻¹

D

3.6 × 10⁶ J kg⁻¹

Option A

Gravitational potential, V = −GM/R. Given E = 4.8 N kg⁻¹, V = −ER = −4.8 × 10000 × 10³ = −4.8 × 10⁷ J kg⁻¹.

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STANDARD Physics Gravitational Field and Potential MCQ Question