Gravitation Question 34
Question: If the radius of the earth shrinks by 1.5% (mass remaining same), then the value of acceleration due to gravity changes by[BHU 1997]
Options:
A) 1%
B) 2%
C) 3%
D) 4%
Show Answer
Answer:
Correct Answer: C
Solution:
$ [g\propto \frac{1}{R^{2}}] $
Percentage change in g = 2(percentage change in R)$ [=2\times 1.5=-3%] $
