State Hooke.s law and explain nroportionality limit permanent set and breaking stress.

State Boyle.s Law.

State Moseley.s law.

State Charles.s law

State Brewster.s law.

Assertion:- Materials can be stretched even beyond proportionality limit. (point till which Hooke's law is valid is called proportionality limit) Reason:- Elastic forces can be conservative even beyond proportional limit.

State and explain the pressure-temperature law.

State and explain law of multiple proportions with a suitable example.

State and explain Boyle's law. Represent the law graphically.

State and explain the second law of thermodynamics.

State and explain the laws of radioactive disintergration. Hence define disintergration constant and half life peroid. Establish relation between them.