Acceleration due to gravity at an altitude of above Earth’s surface equals that at a…

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

Problem

Acceleration due to gravity at an altitude of

100\,\text{km}

above Earth’s surface equals that at a certain depth

d

below the surface. With

R = 6400\,\text{km}

, the value of

d

is (a)

100\,\text{km}

(b)

190\,\text{km}

(c)

200\,\text{km}

(d)

260\,\text{km}