A black body of mass 34.38 gm and surface area 19.2cm^(2) is at an initial temperature of 400K. It is allowed to cool inside an evacuated enclosure kept at constant temperature 300K. The rate of cooling is 0.04^(@)C per second. The specific heat of the body in Jkg^(-1)K^(-1) is approximately

A black body of mass 34.38 gm and surface area 19.2cm^(2) is at an ini

1.	A black body of mass 34.38 gm and surface area 19.2cm^(2) is at an initial temperature of 400K. It is allowed to cool inside an evacuated enclosure kept at constant temperature 300K. The rate of cooling is 0.04^(@)C per second. The specific heat of the body in Jkg^(-1)K^(-1) is approximately
Answer» 2800 2100 1400 1200 Answer :C