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  • Thermal capacity of 40 g of aluminium (in J/C) (s= 0.2 cal / g-K ) is Option: 1 168Option: 2 672

Thermal capacity of 40 g of aluminium (in J/C) (s= 0.2 cal / g-K ) is 

Option: 1 168

Option: 2 672

Option: 3 840

Option: 4 33.6

Answers (1)

best_answer

As we have learned 

Thermal Capacity -

It is defined as the amount of heat required to raise the temperature of whole body. through 1oC or 1K.

- wherein

Unit\ is\ cal/^{o}C or  J/K

            

 

 Thermal capacity = ms 

40 * 0.2 = 8 cal /C 

 8 cal / C = 8 * 4.2 J /C = 33.6 J/C 

 

Posted by

Shailly goel

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