When m gm of water at 10°C is mixed with m gm of ice at 0°C…

Physics Thermometry, Thermal Expansion and Calorimetry General MCQ (Single Correct)

When m gm of water at 10°C is mixed with m gm of ice at 0°C, which of the following statements are false?

The temperature of the system will be given by the equation m × 80 + m × 1 × (T – 0) = m × 1 × (10 – T)

Whole of ice will melt and temperature will be more than 0°C but lesser than 10°C

Whole of ice will melt and temperature will be 0°C

Whole of ice will not melt and temperature will be 0°C

Text Solution

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The correct answer is:

CHECK THE SOLUTION.

(a, b, c)

Heat required to melt ice = m × 80

Heat given by the water = m × 10 × 1 = 10m

Heat required to melt ice > Heat given by water so complete ice will not melt.

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