A. 0.1J
B. 0.2J
C. 1.0J
D. 2.0J

Correct Answer: Option B

B. 0.2J

SEE ALSO  A piece of metal of mass 50g is cooled from 80°C to 20°C. Calculate the amount of heat lost. (specific heat capacity of the material of metal = 450Jkg‾¹K‾¹)

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