Atomic structure
bohr's atomic model- postulates- 1.electrons revolve around nucleus in concentric circular path called orbit situated at definite d......
10 Years Ago
Crystallography
Basic Idea- A crystal is a substance which is formed by repetition of 3-d identical units,where a unit may contain one or mo......
11 Years Ago
Thermodynamics
thermodynamics- if a number properties of the system eg. pressure, temperature, volume etc; are known, many phenomena can be s......
11 Years Ago