Physics · 2013
JEE Main · 22 April 2013, Shift 1 · Q30
Given that 1 g of water in liquid phase has volume 1 cm^3 and in vapour phase 1671 cm^3 at atmospheric pressure and the latent heat of vaporization…
Given that $\displaystyle 1$ g of water in liquid phase has volume $\displaystyle 1 \mathrm{~cm}^3$ and in vapour phase $\displaystyle 1671 \mathrm{~cm}^3$ at atmospheric pressure and the latent heat of vaporization of water is $\displaystyle 2256 \mathrm{~J} / \mathrm{g}$; the change in the internal energy in Joules for $\displaystyle 1$ g of water at $\displaystyle 373$ K when it changes from liquid phase to vapour phase at the same temperature is :
Official answer
(3)
$\displaystyle 2089$
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JEE Main 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.