Physics · 2021
JEE Main · 17 March 2021, Shift 1 · Q26
The radius in kilometer to which the present radius of earth ( R =6400 km ) to be compressed so that the escape velocity is increased 10 times is \ \…
The radius in kilometer to which the present radius of earth $\displaystyle (\mathrm{R}=6400 \mathrm{~km})$ to be compressed so that the escape velocity is increased $\displaystyle 10$ times is \_\_\_\_.
Official answer
64
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.