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At constant pressure,hydrogen is having temperature of $327^{\large\circ}C$.Till what temperature is it to be cooled such that the rms velocity of its molecules becomes half of the earlier values

$\begin{array}{1 1}(A)\;123^{\large\circ}C\\(B)\;-123^{\large\circ}C\\(C)\;-100^{\large\circ}C\\(D)\;0^{\large\circ}C\end{array} $

1 Answer

Hence (B) is the correct answer.
answered May 12, 2014 by sreemathi.v

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