In a liquid-vapour mixture, the mass of the liquid is m1 and the mass of the vapour is m2. What will be the dryness fraction of the mixture?
1
\(\frac{m_{2}}{m_{1}}\)
2
\(\frac{m_{2}}{m_{1}+m_{2}}\)
3
\(\frac{m_{1}}{m_{2}}\)
4
\(\frac{m_{1}}{m_{1}+m_{2}}\)
5
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