Hyderabad has surpassed Delhi in population density with 18,161 people per square kilometer. This rapid growth, driven by the ...

Population dynamics is the study of how and why populations change in size and structure over time. Important factors in population dynamics include rates of reproduction, death and migration.

Density describes how closely packed the particles are in a solid, liquid or gas. There is little difference between the density of a liquid and its corresponding solid (eg water and ice). This is ...

Density functional theory is computational technique used to predict the properties of molecules and bulk materials. It is a method for investigating the electronic structure of many-body systems ...