At 4°c, the volume of a fixed mass of water is?
An electric heater rated 220v, 1000 w is immersed into a bucket full of water, calculate the mass of water if the temperature changes from 30°c to 100°c and the current flows for 300seconds.
[specific heat capacity of water = 4200 jkg-1 K-1]
A man standing 2 m from a charcoal fire is warmed mainly by?
Thermionic emission is the process whereby?
If a container is filled with ice to the brim, what happens to the level of water when the ice completely melts?
