1.

A calorimeter of mass m contains an equal mass of water in it. The temperature of the water and calorimeter is t_2 . A block of ice of mass m and temperature t_(3) lt0^@Cis gently dropped into the calorimeter. Let C_(1) C_(2) and C_3be the specific heals of calorimeter, water and ice respectively and L be the latent heat of ice. Thw hole mixture in the calorimeter becomes ice if

Answer»

`C_1t_2+C_2t_2+L+C_3t_3gt0`
`C_1t_2+C_2t_2+L+C_3t_3lt0`
`C_1t_2+C_2t_2-L+C_3t_3gt0`
`C_1t_2+C_2t_2-L-C_3t_3lt0`

ANSWER :B


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