Gravitation Question 45
Question: If radius of earth is R then the height ?h? at which value of ?g? becomes one-fourth is[BHU 2000]
Options:
A) $ [\frac{R}{4}] $
B) $ [\frac{3R}{4}] $
C) R
D) $ [\frac{R}{8}] $
Show Answer
Answer:
Correct Answer: C
Solution:
$ [g’=g{{\left( \frac{R}{R+h} \right)}^{2}}=\frac{g}{4}] $ . By solving h = R
