PHYSICS

JAMB 2012 - Question 22

Physics 2012 JAMB Past Questions - Question 22: Calculate the temperature change when 500J of heat is supplied to 100g of water.[specific heat capaci­ty of water = 4200Jkg- k-’]

Calculate the temperature change when 500J of heat is supplied to 100g of water.[specific heat capaci­ty of water = 4200Jkg- k-’]
A:
B:
C:
D:
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Correct Answer

C

Explanation

m = 100g = 0.1kgcorrelation equation Q = mc  ΔQ ΔQ = Q/mc = 500/0.1 x 4200ΔQ = 1.19 = 1.2°C