Physics · 2023
JEE Main · 31 January 2023, Shift 1 · Q8
At a certain depth "d " below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height 3 R above earth…
At a certain depth "d " below surface of earth, value of acceleration due to gravity becomes four times that of its value at a height $\displaystyle 3$ R above earth surface. Where R is Radius of earth (Take $\displaystyle \mathrm{R}=6400 \mathrm{~km}$ ). The depth d is equal to
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 4800$ km
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.