What are laws of floatation?

What are the laws of reflection of sound ? How will you prove these laws experimentally ?

What is froth floatation process ? Name the ores which are concentrated by froth floatation process . What is meant by a depressant ?

What is law of conservation of momentum ?

What is law of conservation of mass?

What is reflection of light? State the laws of reflection of light.

What is the law of refraction in terms of angles i and r ?

State and explain Coulomb's law of force in electrostatics. What are its limitations? Define one coulomb of charge using this law.

What are limitations of Raoult's law