The depth at which the effective value o

CUET Preparation Today

Start Free Mocks

Home Questions RW9VH5CRAR

Target Exam

CUET

Subject

Physics

Chapter

Gravitation

Question:

The depth at which the effective value of acceleration due to gravity is g/4 is :

Options:

3R/4

R/2

R/4

Correct Answer:

3R/4

Explanation:

$g' = g(1-\frac{d}{R})$

$\Rightarrow \frac{g}{4} = g(1-\frac{d}{R})$

$\Rightarrow d = \frac{3}{4}R$