Physics

This chapter covers topics like Length, Mass, Time, Fundamental and Derived Units, Area, Volume and Density, and Rules to be Followed while Writing Units.

This chapter covers topics like Rest and Motion, Distance and Displacement, Speed and Velocity, Acceleration, and Road Safety.

This chapter covers topics like Force - A Push or a Pull, Contact Force and Non-contact Force, Frictional Force, Thrust and Pressure, and Pressure Exerted by Liquids and Gases.

This chapter covers topics like Natural Magnets and Artificial Magnets, Magnetic Compass, Earth as a Magnet, Magnetic Field and Magnetic Flux Density, Magnetic Induction, and Permeability.

This chapter covers topics like Spherical Mirrors and Laws of Reflection, Focus, Focal Length and Focal Plane of a Spherical Mirror, Images Formed by Spherical Mirrors, Magnification, and Uses of Spherical Mirrors.

This chapter covers topics like Source of Sound, Natural Frequency, Characteristics of Sound - Pitch and Loudness, Propagation of Sound, Hearing and Limits of Audibility, and Noise Pollution.

This chapter covers topics like Electric Charges and Charging, Electroscope, Earthing and Electrostatic Induction, Capacitor and Distribution of Charge, and Thunder and Lightning.