If the radius of the Earth were to shrink by one percent its mass remaining the same, the acceleration due to gravity on the Earth's surface would ________

Options

A. increase by 2%
B. increase by 1%
C. decrease by 1%
D. decrease by 1/2%

Answer

A

Explanation

As `g=(GM)/(R^2)`
`therefore(Deltag)/(g)xx100=2(DeltaR)/(R)xx100=2xx1%=2%`