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what is science like physical, chemical, medical, and environmental science?

What is science?

Science is any systemic learning from testable experiments to getting the knowledge of physical or chemical phenomena occurring in our universe or environment. Science divided into many branches. Physics, chemistry, biology are the main branches of science. Other branches are medicinal, environmental, nuclear science, etc. In this part of the category, we discuss topics related to chemistry.

Working components and principle of spectrophotometer in spectrophotometry


What is spectrophotometry? Spectrophotometry is a technique in the electromagnetic spectrum for the measurement of relative energy (emitted, transmitted, or reflected) as a function of...
Optical fiber cable properties, types of core, cladding and coating in communication technology

Optical Fiber

What is optical fiber cable? Optical fiber cable or optical fibre cable is a new development in the field of communication technology that can transmit...
Ultraviolet visible spectroscopy (uv vis) theory for electronic transition from sigma and n to sigma star and pi to pi star

Ultraviolet Visible Spectroscopy

What is ultraviolet visible (uv vis) spectroscopy? Ultraviolet visible spectroscopy or uv-vis spectroscopy involves the measurement of absorption or transmittance of energy in the ultraviolet...
Noise pollution or sound pollution definition, sources, causes, harmful effects on human health and our environment

Noise Pollution

What is noise pollution? Noise pollution or sound pollution is unwanted or excessive sound that can harmful effects on human health, wildlife, and our environment....
Ionic mobility table, formula, unit and measurement in electrochemistry

Ionic Mobility

Ionic mobility in electrochemistry Ionic mobility in chemistry is the velocity of an ion under a unit potential gradient or field strength. Therefore, ionic mobility...
Tin element facts, symbol, common properties like atomic number, density, melting and boiling point


Tin element Tin is a chemical element or group-14 metal of the periodic table with the symbol Sn and atomic number 50. It is an...
Facts, formula, properties, bonding and Molecular orbital diagram of carbon monoxide (CO) molecule

Carbon Monoxide

Facts about carbon monoxide Carbon monoxide (chemical formula CO) is a colurless, odourless, poisonous gas produced by burning carbon in insufficient oxygen. In the laboratory,...
Carbon dioxide in atmosphere, molecular formula, structure, facts, uses

Carbon Dioxide

What is carbon dioxide? Carbon dioxide (molecular formula CO2) is a colorless, orderless gas that can be easily liquefied under critical temperature and pressure. It...
Lead metal or element symbol, facts and properties like electronic configuration, atomic number, density


What is lead? Lead is a chemical element or group-14 metal of the periodic table with the symbol Pb and atomic number 82. It has...
Germanium element symbol, facts and periodic table properties like atomic number and electronic configuration


Facts about germanium Germanium is a chemical element or hard, lustrous, grayish white metalloid of group-14 of the periodic table with the symbol Ge and...