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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.
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Medieval Science: We can record the sum total of the medieval achievement in the natural sciences in a few lines. It can be put down as a few notes on natural history a
CONSTRUCTION STANDARDS SET BY BUREAU OF INDIAN STANDARDS : At the construction stage itself, the design of the laboratory buildings should be made in accordance with safety norms.
INTRODUCTION : This exercise is based on here 'Laws and Regulations' of this course. What are we going to do in this exercise? - This might be the question arising in your mind. I
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Technology forecasting: With such power of science in relation to technology, and consequently to satisfy social need, the question arises, can technologies of the future be fo
Enumerate the ratio of rainfall to temperature The effect of climatic agents on the changes taking place in the parent material is determined by the ratio of rainfall to temper
What is the Iimportant consequence of soil aeration Another important consequence of soil aeration is oxidation-reduction reactions that take place in soil and this may decide
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
Acute and Chronic Effects : The effects of accidents due to chemicals are severe and immediate on the human body. These effects are called acute effects and can be traced without
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