Explain ferromagnetism on the basis of domain theory.

Explain magnetism on the basis of atomic theory.

Explain origin of paramagnetism on the basis of its atomic structure.

Explain origin of magnetism on the basis of circulating charges.

Explain qualitatively on the basis of domain picture the irreversiblity in the magnetisation curve of a ferromagnet

Explain surface tension on the basis of the molecular theory.

Explain Refraction of light on the basis of Wave Theory. Hence prove the Laws of Refraction.

With the help of a neat diagram, explain reflection of light from a plane reflecting surface on the basis of wave theory of light

Explain electrical property of: Semiconductors, on the basis of band theory.

Explain Types of matter on the basis of chemical composition).

Explain the mechanism of cohesion theory.