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A piece of copper of mass 30g loses 60J of heat energy. If the specific...

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Question 482
A
0.2K
B
0.8K
C
2K
D
4.5K
E
5K
Explanation
H=\(mc\Delta\theta \Rightarrow 60=0.03\times400\times\Delta\theta\\60= 12\Delta\theta therefore \Delta\theta=60/12 =5K\)

Correct option: E

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