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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.
Why is olivine a rare mineral in sandstone? a. What is the range in grain size of sample 33 from the Athabasca University Rock Samples Kit? (Hint: Measure the size of the gra
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Explain the procedure of Rock Formation Metamorphic Rocks? Concept 1 : What is a metamorphic rock? First off, what does metamorphism mean? To morph is to change; a butterfly
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1.) Imagine that you are a particle inside an ice cube. You were placed into a glass of lemonade to cool it down. The lemonade has now been drunk and you have been left in the glas
Observe the surface of the moon :- Use the small telescope or a pair of field glasses. Examine the surface of the moon and see if you can see any of its craters and mountains.
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Q.How are clouds formed? During day time, on being heated, a large amount of water evaporates from various water bodies and goes into the air. A part of this water vapour also r
Life of a Star: A young star is thought to be composed largely of hydrogen gas. Hence, the most likely place for a star to be born is in one of the numerous clouds of hydrog
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