Gravitation

JEE Main level, single correct, medium

95 of 223

Question 95 of 223

The variation of acceleration due to gravity gg with distance dd from the centre of the earth is best represented by (RR= Earth's radius):

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Answer: (A)

We know that acceleration due to gravity is given by,

∣g∣={GMrR3,0≤r<RGMr2,r≥R\left|g\right|=\left\{\begin{matrix}\dfrac{GMr}{{R}^{3}}, & 0\leq r\lt R \\ \dfrac{GM}{{r}^{2}},r\geq R & \end{matrix}\right.

∴∴ The desired graph is,

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