Physics · 2019
JEE Main · 10 January 2019, Shift 2 · Q10
Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20°C to 90°C. Work done by gas is close to: (Gas constant R =8.31 J…
Half mole of an ideal monoatomic gas is heated at constant pressure of $\displaystyle 1$ atm from $\displaystyle 20$°C to $\displaystyle 90$°C. Work done by gas is close to : (Gas constant $\displaystyle \mathrm{R}=8.31 \mathrm{~J} / \mathrm{mol} \cdot \mathrm{K}$ )
Official answer
(2)
$\displaystyle 291$ J
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.