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10-1.Thermometry, Thermal Expansion and Calorimetry
medium
$4200\, J$ of work is required for
A
Increasing the temperature of $10\, gm$ of water through $10°C$
B
Increasing the temperature of $100\, gm$ of water through $10°C$
C
Increasing the temperature of $1 \,kg$ of water through $10°C$
D
Increasing the temperature of $10\, kg$ of water through $10°C$
Solution
(b) Work done to raise the temperature of $100\,gm$ water through $10°C$ is
$W = JQ = 4.2 \times (100 \times {10^{ – 3}} \times 1000 \times 10) = 4200\,J$
Standard 11
Physics
