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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.
a ray of light falls on a transparent slab of refractive index u.if the reflected and refracted rays are mutually perpendicular to each other,find the angle of incidence.
Palaeontological Evidence: Palaeontology is a branch of earth sciences, which is essentially a study of plant and animal life in the past geological periods, millions of ye
Heart Massage for Restoring Circulation : In cases of breathing failure, you should check that the casualty's heart is still beating. This is especially important with victims of
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Question: "Sociology Considered as a Scientific Discipline" Discuss the this statement with the relevant Examples Answer Sociology is the systematic study of Society. Soci
what is the nature of zoology?
HOW TO ORGANISE AN INTERACTION SESSION: How should we begin? What are the norms? What is the time slot? Any assessment criteria? These and many such questions may be coming to you
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Procuring and storing animal materials (i) You can begin by asking for a clarification or reaching a common understanding regarding the oft-used terminology, for instance, anim
Autonomic System: The autonomic nervous system gets its name from the fact that it relates to autonomous*or self-regulatory activities such as digestion and circulation, whic
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