JEE Main 202624 Jan, Morning shiftPhysicsMediumThermodynamics163× since 2002
Density of water at 4 °C and 20 °C are 1000 kg/m and 998 kg/m respectively. The increase in internal energy of 4 kg of water when it is heated from 4 °C to 20 °C is ______ J. (specific heat capacity of water = 4.2 J / kg. and 1 atmospheric pressure = Pa)