Class 11Physics10-1.Thermometry, Thermal Expansion and CalorimetryPrinciple of Calorimetry and Water Equivalent
Difficult$A$ beaker contains $200\,g$ of water. The heat capacity of the beaker is equal to that of $20\,g$ of water. The initial temperature of water in the beaker is $20\,^{\circ}C$. If $440\,g$ of hot water at $92\,^{\circ}C$ is poured in it,the final temperature (neglecting radiation loss) will be nearest to ........ $^{\circ}C$.
- A$58$
- B$68$
- C$73$
- D$78$
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