SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Thermodynamics First Law of Thermodynamics
A metal block of mass 5 kg and temperature 100°C cools to a temperature of 50°C. The specific heat of the metal is 600 J/kg°C and its density is 8000 kg/m3. The heat lost by the metal block is
1
600 kJ
2
800 kJ
3
150 kJ
4
120 kJ