Infinite number of masses, each 1 kg, are placed along the x-axis at x= ±1 m, ±2 m, ±4 m, ±8 m, ±16 m ……. The magnitude of the resultant gravitational potential in terms of gravitational constant G at the origin (x=0) is

Options

(a) G
(b) 2G
(c) 4G
(d) 8G

Correct Answer:

4G

Explanation:

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