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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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10 gm10 \mathrm{~gm} of ice at −20∘C-20^{\circ} \mathrm{C} is dropped into a calorimeter containing 10 gm10 \mathrm{~gm} of water at 10∘C10^{\circ} \mathrm{C}. The specific heat of water is twice that of ice. Neglect heat capacity of the calorimeter. When equilibrium is reached, the calorimeter will contain
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Correct option: A
10 gm10 \mathrm{~gm} ice and 10 gm10 \mathrm{~gm} of water
Option A (10 gm ice and 10 gm of water) is correct because the heat released by the water is just enough to bring the ice to 0°C, without melting it.

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