Physics

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…

Major objective of this lecture is to present on Fahrenheit Scale. In this scale, the freezing point of water is 32 degrees Fahrenheit (°F) and the boiling…

Main objective of this lecture is to present on Celsius Scale. The Celsius temperature scale was previously known as the centigrade scale. The degree Celsius (symbol: ℃)…

Prime objective of this lecture is to present on Vertical Structure of the Atmosphere. It is a tutorial study based lecture. The changes in the atmosphere with…

Basic objective of this lecture is to present on Dalton’s Law of Partial Pressures. Dalton found that the total pressure of mixed gases is equal to the…

General objective of this lecture is to present on Digital Barometer. It is a tutorial study based lecture. A digital barometer measures air pressure. It is used…

Air Pressure is the force exerted on you by the weight of tiny particles of air (air molecules). Although air molecules are invisible, they still…

A Weather Satelliteis able to photograph, track, and measure the conditions of large-scale air movements. A meteorologist then compiles and analyzes the data with the help…

Basic objective of this lecture is to present on Weather Balloon. A Weather Balloon measures weather conditions higher in the atmosphere. Measures temperature, air pressure, wind speed and…

General objective of this lecture is to present on Rain Gauge. A Rain Gauge is used to measure amount of rainfall. An official Rain Gauge consists of…

A Wind Vane is used to measure wind direction.  It spins on a rod and points in the direction from which the wind comes. The wind…