Category: Physics

Uses of Energy Solar energy is a universal source of light to planet earth. The plants also use it to […]

The following are the sources of energy: Energy from the sun (solar energy) Wood (fire wood) Coal Electricity Fossil fuels […]

Energy is the ability or capacity to do work. Its unit is Joules. Types of Energy Kinetic and Potential Energy Slides: […]

The sun is a spherical central body of the solar system that radiates light and heat. It has a diameter […]

Resistors can be arranged in series and in parallel. have different potential differences. When they are connected in parallel, they […]

Sources of Electric Current Electric current can be generated from the following sources: Chemical energy:Electrical cells store chemical energy. There […]

Basic Assumptions of the Kinetic Theory of Matter (Gases) The attractions between molecules are negligible The molecules of a gas […]

The molecular kinetic theory can be used to explain a number of phenomena. Some of these phenomena are: Brownian Motion […]

Definition of Capillarity Capillarity (or capillary action) is the tendency of a liquid to rise or fall in a narrow […]

Definition and Effects of Surface Tension Surface tension can be defined as the force per unit length normal or perpendicular […]