If the length between the hot and cold ends of the solid is larger, the rate of flow of heat will be:
In an experiment, 100 g of liquid requires 12600 J of thermal energy to raise it from 30 °C to 60 °C, thermal capacity of 100 g of water is
Two children sitting on a see saw are not swinging, net torque is
Temperature at which a substance changes from liquid to solid is called its
SI unit of specific energy is
Heat require to boil 2.5 liters of water at 20°C is
Temperature of land rises more quickly than that of sea because
Carbon dioxide in atmosphere traps radiation and causes
If length between hot and cold ends of solid is larger, rate of flow of heat will be
A container has 2.4 litres of water at 20 °C. heat required to boil water is
Fractional increase in length per Kalvin rise in temperature is
Movement of cold air from sea towards land is called
Transfer of heat by actual movement of molecules from hot place to a cold place is known as
Wood, cork, cotton, rubber, glass etc. are