1.

Two liquids of masses M_(1), and M_(2) and specific heats S_(1), and S_(2), respectively are mixed. The specific heat of the mixtureis

Answer»

`(M_(1)S_(1)+M_(2)S_(2))/(M_(1)+M_(2))`
`(M_(1)S_(1)+M_(2)S_(2))/(2(M_(1)+M_(2)))`
`(M_(1)S_(1)-M_(2)S_(2))/(M_(1)+M_(2))`
`(M_(1)S_(1)-M_(2)S_(2))/(M_(1)+M_(2))`

ANSWER :A


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