JEE Main 2021 (4 Aug, Shift 1) Physics Q12: Gravitation

Question

The force on mass ‘m’ due to gravity is '

\vec{F_1}

' at a height

h=\frac{R_e}{3}

from the Earth’s surface. At what depth ‘d’ inside Earth the body will experience a force '

\overline{F_2}

' such that

|\vec{F_1}|=|\vec{F_2}|=\vec{F}

Official answer

Option 3

NTA final key.

Accepted Answer

Option 3: $\frac{7}{16}R_e$

Answer

$\frac{5}{9}R_e$

Answer

$\frac{7}{9}R_e$

Answer

$\frac{7}{16}R_e$

Answer

$\frac{5}{16}R_e$

JEE Main 4 August 2021, Shift 1, Physics Q12