AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

Acceleration due to gravity above the surface (at altitude) is given as
g′=‌

g

(1+‌ h Re )2

=g(1+‌

h

Re

)−2
g′=g(1−‌

2h

Re

).....(i)
[By binomial theorem (1+x)n=1+nx, when x<1]
From Eq. (i), it is clear that acceleration due to gravity decreases with altitude.