PhysicsQuantity of heatWAEC
Heat needed to raise 2 kg of water by 10 K (c = 4200 J/kg K) is
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Answer: C. 84,000 J
Q = mcΔθ = 2 × 4200 × 10 = 84,000 J.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.