At what approximate height above Earth’s surface should a body be taken so that its…

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

Problem

At what approximate height

h

above Earth’s surface should a body be taken so that its weight decreases by the same percentage as when it is taken to a depth of

400\,\text{km}

below the surface? (Take

R = 6400\,\text{km}

.) (a)

425\,\text{km}

(b)

100\,\text{km}

(c)

200\,\text{km}

(d)

400\,\text{km}