Teaching RSMSSB Lab Assistant (Science) 2022 Mock Test Physics Thermodynamics First law of thermodynamics
What is the rise in temperature of 80 lit, of water in 40 min. by a heater of 2 kW, if whole of heater energy used to raise the water temperature?
1
1.43 ºC
2
2.52 ºC
3
14.3 ºC
4
25.2 ºC