Lecture

Basic purpose of this lecture is to present on how is Ozone Formed. UV radiation strikes the O2 molecule and splits it, atomic oxygen associates itself…

General purpose of this lecture is to present on Ozone Hole. Dramatic loss of ozone in the lower stratosphere over Antarctica was first noticed in the 1970s…

Properties of waves include speed, frequency and wavelength. All light travels at a speed of 3 s 108 m/s in a vacuum. The electromagnetic spectrum includes,…

The aim of this lecture is to present on Temperature Measurement. Temperature is a physical property of a system that underlies the common notions of hot and…

Electromagnetic waves come in many wavelengths and frequencies. Each one is useful in different ways. The electromagnetic spectrum is the range of all EM frequencies. The…

The electromagnetic spectrum is the complete spectrum or continuum of light including radio waves, infrared, visible light, ultraviolet light, X-rays and gamma rays. An electromagnetic wave…

Primary objective of this lecture is to present on Heat Transfer. The transfer of heat is normally from a high temperature object to a lower temperature object.…

There are three ways of Heat Transfer: Convection; Conduction and Radiation. Conduction–transfer of heat between atoms as they collide within a substance. Convection is the movement of matter due to…

This lecture introduce on Earth’s Weather: Oceans and Air Temperature. Here briefly focus on how do oceans affect temperature on land. The ocean plays a fundamental role…

Temperature a measure of the average speed at which molecules are moving or vibrating. Air temperature is the rate of motion of gas molecules in the atmosphere…

Principle objective of this lecture is to present on Kelvin Scale. The kelvin (symbol: K) is a unit increment of temperature and is one of the seven…

The aim of this lecture is to present on Rankine Scale. Rankine is a thermodynamic (absolute) temperature scale named after the Scottish engineer and physicist William John…