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Ultraviolet Radiations : The ultraviolet (UV) light has higher energy than visible light. Hydrogen lamps, deuterium lamps and other sources of ultra-violet are used for a variety of purposes in physical, chemical and biological laboratories. These applications include spectroscopy. The sterilisation of instruments, the initiation of chemical reactions and the detection of purines and other substances which fluoresce when irradiated with UV light in chromatography and other separation techniques. Ultraviolet sources may be recognised by their intense pale blue illumination, for example mercury vapour lamps and high voltage sparks and arc emitted at the time of welding.
What does regolith mean? Ans) This refers to a layer of loose surface material covering bedrock.
Water Borne Diseases: Diseases like cholera and typhoid, as well as diarrhoea and dysentery, are spread through water. Germs of these diseases multiply in the gut of the inf
Geocentric Universe of the Ancients: The earliest ideas of the Egyptians and Sumerians about the universe may seem strangeto us. The Earth appeared flat 2nd solid tg them.
To show how water rises in fine tubes Make some fine hair or capillary tubes by heating glass tubing in a flame and drawing it out. Cut the tubes and glue them to a piece of c
Describe the factors which decide the broad area of Scientific activity?
Eutrophication: Materials such as sewage or organic wastes from milk plants, canneries, slaughter houses, paper mills, starch factories and fish processing plants, and runoff
Explain Dyes for Measurement of Plasma Volume: A number of dyes, commonly known as 'vital dyes', have the ability to combine with proteins. When such a dye is injected into the
Cosmic Distances: If we asked you what the distance between Delhi and Kanyakumari is, you would say that it is roughly 3000 km. Another way of answering the question would
can you give explanation on RPME and its working
Architecture: The architectural style of India underwent a drastic change after the Turkish conquest. The Sultans and their nobles insisted on having arches and domes and com
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