Physics

The chapter covers topics such as System of Unit, Physical Quantities and Units, Scalars and Vectors and Distance and Displacement etc.

The chapter covers topics such as Electric Circuit, Magnetic Effects of Electric Current and Electromagnet etc.

The chapter covers topics such as Heat and Its Sources, Effects of Heat and Winds as Effect of Thermal Convection etc.

This chapter covers the topic of Liquids Conduct Electricity.

This chapter covers topics such as Pressure, Force and Effects of Force, Application of Pressure, Pressure Exerted by Liquids, Atmospheric Pressure, and Classification of Force.

This chapter covers topics such as Increasing and Reducing Friction, Factors Affecting Friction, Types of Friction and Fluid Friction.

This chapter covers topics such as Characteristics of Sound, Perception of Sound, Audible and Inaudible Sounds, Characteristics of Vibrations, Noise and Music, Sound: Production and Propagation, Noise Pollution, Musical Instruments, etc.

This chapter covers topics such as Lightning and Thunder, Lightning, Charges and their Interaction, Static Electricity, and Methods of Charging a Body.

This chapter covers topics such as Dispersion of Light, Reflection of Light, Light, Refraction of Light, Multiple Images, Images Formed by Lens, Spherical Mirror, Refractive Index, Effects of Refraction, Defects of Eyes, Human Eye, etc.

The chapter covers topics such as The Moon, The Stars, Planets and Constellations etc.