Science

Oscillator Linewidth is a measure of the width of the band of frequencies of radiation emitted or absorbed in an atomic or molecular transition. The…

Major purpose of this lecture is to present on Coasts and Reefs: Shallow Marine Processes. A beach is part of a coastal system, which includes several zones…

The aim of this lecture is to present on Coastal Erosion. Coastal Erosion occur when a wave impacts a cliff face, air is forced into cracks under…

Multiple-Prism Dispersion Theory is extended to enable evaluation of the overall outward and return pass dispersion of multiple-prism-grating combinations. It was given by Newton in…

Prime purpose of this lecture is to present on How do Clouds Form? Clouds Forms when water vapor in the air becomes liquid water or ice crystals.…

Basic purpose of this lecture is to present on changes in the Central Business District. A Central Business District is the commercial and business centre of…

Principle objective of this lecture is to present on Bonners Ferry. In mid-October of 1998, a section of hillside north of Bonners Ferry, Idaho, moved in response…

Beam Divergence of a laser beam is a measure for how fast the beam expands far from the beam waist. Beams with very small divergence,…

Major objective of this lecture is to present on Animal Uses for Food. Meat is a source of protein. One of the five essential nutrients. This lecture briefly…

This lecture introduce on Livestock Animals. Livestock farming is the rearing of animals for food and for other human uses. The word ‘Livestock’ applies primarily to cattle…

The aim of this lecture is to present on Domestication. Domestication is the process of adapting wild plants and animals for human use. A tame animal is an animal which…

Laser Linewidth it is the width of the power spectral density of the emitted electric field in terms of frequency, wavenumber or wavelength. The linewidth…