Physics · 2021
JEE Main · 27 July 2021, Shift 1 · Q19
A ball is thrown up with a certain velocity so that it reaches a height ' h '. Find the ratio of the two different times of the ball reaching h/3 in…
A ball is thrown up with a certain velocity so that it reaches a height ' $\displaystyle h$ '. Find the ratio of the two different times of the ball reaching $\displaystyle \frac{\mathrm{h}}{3}$ in both the directions.
Official answer
(1)
$\displaystyle \frac{\sqrt{3}-\sqrt{2}}{\sqrt{3}+\sqrt{2}}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.