Natural Phenomenon

This chapter deals with wind and storm. It describes air pressure with an activity. Further, it explains the formation and destruction caused by cyclones and also discusses the precautionary measures which must be taken during tornadoes.

In this chapter, we are going to study the properties of light. Here, it focuses on the rectilinear propagation, reflection and dispersion of light. It discusses spherical mirrors with concave and convex lenses in detail with examples and exercises.