At what height over the earth's pole, the free fall acceleration decreases by one percent (assume the radius of earth to be 6400 km)

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

32 km

80 km

1.253 km

64 km

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

g∝GMr2∴g∝1r2 or r∝1gIf g decrease by one percent then r should be increase by 12% i.e. R=12×100×6400=32 km

Watch 3-min video & get full concept clarity