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28.) An ice cube of mass 0.1 kg at 0^° C is placed in an isolated container which is at 227^° C. The specifi cheat s of the container varies with temperatureT according to the empirical relation s = A + BT,where A 100 cal kg k^{-1} and B = 2 x 102 cal kg^{-1}. If the final temperature of the container is 27^° C, the mass of the container is(Latent heat of fusion of water=8x10^4 ,specific heat of water 10 cal kg^{-1} k^{-1})(a) 0.495 kg(c) 0.695 kg(b) 0.595 kg(d) 0.795 kg |
| Answer» 28.) An ice cube of mass 0.1 kg at 0^° C is placed in an isolated container which is at 227^° C. The specifi cheat s of the container varies with temperatureT according to the empirical relation s = A + BT,where A 100 cal kg k^{-1} and B = 2 x 102 cal kg^{-1}. If the final temperature of the container is 27^° C, the mass of the container is(Latent heat of fusion of water=8x10^4 ,specific heat of water 10 cal kg^{-1} k^{-1})(a) 0.495 kg(c) 0.695 kg(b) 0.595 kg(d) 0.795 kg | |