Q 11-07-102JEE MainJEE Main 2023 (12 Apr, Shift 1)Easy
The ratio of escape velocity of a planet to the escape velocity of earth will be (Given: Mass of the planet is $16$ times mass of earth and radius of the planet is $4$ times the radius of earth)
Answer: (D) $2:1$
$v_e\propto\sqrt{\dfrac MR}=\sqrt{\dfrac{16}{4}}=2$. Ratio $2:1$.
Solution by Sreeraj P, M.Sc Physics