Physics · 2020
NEET 2020 · 13 September · Code E1 · Q139
A cylinder contains hydrogen gas at pressure of 249 kPa and temperature 27°C. Its density is: ( R =8.3 J mol^-1 K^-1)
A cylinder contains hydrogen gas at pressure of $\displaystyle 249$ kPa and temperature $\displaystyle 27$°C.
Its density is : $\displaystyle \left(\mathrm{R}=8.3 \mathrm{~J} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right)$
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 0.2 \mathrm{~kg} / \mathrm{m}^3$
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NEET (UG) 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.