Post-UTME Physics 2010 Objective — Question 6
Question 6 of 10 from the Post-UTME Screening (Post-UTME) Physics 2010 Objective paper, with the correct answer and a full explanation.
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22,000J of heat is required to raise the temperature of 1.5kg of paraffin from 20°C to 30°C. The specific heat capacity of paraffin is
- A. 1466.7Jkg⁻¹°C⁻¹ (printed in the source as '14666Jkg⁻¹')Correct
- B. 2933Jkg⁻¹
- C. 4400Jkg⁻¹°C⁻¹
- D. 5866Jkg⁻¹°C⁻¹
Explanation
Q=mcΔθ: c=22000/(1.5×10)≈1466.7 J/(kg·°C), matching option A once its likely missing decimal point is accounted for.
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