PhysicsQuantity of heatWAEC
How much heat is needed to raise the temperature of 2 kg of water by 10 °C? (specific heat capacity of water = 4,200 J/kg K)
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Answer: C. 84,000 J
Q = mcθ = 2 × 4,200 × 10 = 84,000 J.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.