A bucket full of hot water cools from 75...

A bucket full of hot water cools from `75^@C` to `70^@C` in time `T_1` from `70^@C` to `65^@C` in time `T_2` , and from `65@C` to `60^@C` in time `T_3`, then

`T_1=T_2=T_3`

`T_1gtT_2gtT_3`

`T_1ltT_2ltT_3`

`T_1gtT_2ltT_3`

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TARGET PUBLICATION-Thermal Properties of Matter-Exercise

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