Physics

This chapter describes the optical phenomena of the reflection and the refraction of light. It explains the laws of reflection and refraction. Moreover, it mentions practical applications of these phenomena and the types of spherical mirrors.

This chapter explains the structure of the human eye and its parts. In addition, it describes the various defects of vision and their corrections. Moreover, it explains the phenomena of dispersion of white light, atmospheric refraction, etc.

This chapter explains the concepts of electric current, electric circuits and electric resistance. Moreover, it describes the electric potential and potential difference. In addition, it explains the heating effect of current and electric power.

This chapter defines how a magnetic field can be produced due to the flow of current. It describes the role of the magnetic field of strong magnets in the working of an electric motor and a generator. It also explains domestic circuits.

The chapter discusses the availability of energy and how it can be generated using various sources. Besides, sources of energy and their applications are mentioned. It also deals with the usage of energy sources in a controlled manner.