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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.
Imagine a small observer is positioned in front of cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How does this w
Explain Pneumothorax - Histotoxic Hypoxia It is a collection of air or gas in the chest or pleural space that causes a part or all of a lung to collapse. Due to the rupture of
TO SURVEYS A LAB FOR ITS FIRE PREPAREDNESS As said earlier in this activity you are going to survey the labs of the institution where you are working at. Look for the fire safe
Define pus - abnormal constituent of urine Pus: Pus cells are found in the urine in infections of urinary tract. Pus is actually a viscous, yellowish-white fluid formed in infe
If the Quabbin Reservoir Watershed is 100 km2, the average precipitation in New England is 130 cm/year, and the volume of the reservoir is 1.5 x 1012 liters, what is the residence
Define the both macronutrientand micronutrient. An element necessary in large amounts (usually > 50 mg/kg in the plant) for the growth of plant is called a macronutrient and in
Explain Hypoxia and its Types Hypoxia is the oxygen deficiency at the tissue level below the physiological level. There are four types of hypoxia. Let's get to know them. 1.
Explain the Secretion of Aldosterone A minimal amount of ACTH is also needed for the secretion of aldosterone. The secretion of aldosterone is thus stimulated by: a d
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Soil Pollution: The problem of soil pollution is rapidly increasing in the rural, urban and industrial areas due to unscientific and irrational disposal of solid wastes gene
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