A. 1100Jkg-1K-1
B. 320Jkg-1K-1
C. 200Jkg-1K-1
D. 176Jkg-1K-1
Correct Answer: Option B
Explanation
pt = mcθ
C = pt/mθ
= (400×1)/(0.5×2.5)
= 320Jkg-1K-1
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