Which of the following expressions gives the acceleration due to gravity at a height…

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

Problem

Which of the following expressions gives the acceleration due to gravity

g_h

at a height

h

above the Earth’s surface, where

g

is its surface value and

R

is Earth’s radius? (a)

g\left(1-\dfrac{h}{R}\right)

(b)

g\left(\dfrac{R+h}{R}\right)^{2}

(c)

g\left(\dfrac{R}{R+h}\right)^{2}

(d)

g\left(\dfrac{R}{R+h}\right)