A. 900 JK−¹
B. 90 JK−¹
C. 100 JK−¹
D. 200 JK−¹
Correct Answer:
Option A – 900 JK−¹
Explanation
Heat supplied = Heat gained Pt = MCDθ
30 x 5 x 60 = c x 10
where c = mc which is the heat capacity
c = (30 x 5 x60)/10 = 900 JKg−¹
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