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Question

The thermal capacity of 100 g of aluminum (specific heat =0.2 cal/gC) is

A
0.002 cal/C
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B
20 cal/C
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C
200 cal/C
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D
100 cal/C
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Solution

The correct option is B 20 cal/C
Given,
Mass of aluminium (m)=100 g
Specific heat of aluminium (c)=0.2 cal/gC
Thermal capacity of material (S) = mass of material (m) × specific heat capacity of material (c)
Thus,
S=100×0.2=20 cal/C
Hence, option (b) is the correct answer.

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