Notes and Study material for Exams
Medium of Propagation Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. During their propagation, waves can be reflected, refracted, or attentuated by the medium. The purpose of this experiment is to examine what effect the characteristics of the medium have on sound. Ground Wave or … Read more
The Golden Fiber Revolution: Unlocking the Potential of Hemp The world is on the cusp of a revolution, not in the realm of guns and gunpowder, but in the realm of fibers. This revolution, driven by the resurgence of hemp, promises to reshape industries, revitalize economies, and offer a sustainable solution to some of the … Read more
Nutrition in organisms Food is the basic necessity of man. It is a mixture of different nutrients such as carbohydrate, protein, fat, VITAMINS and Minerals. These nutrients are essential for Growth, development and maintenance of good Health throughout life. They also play a vital role in meeting the special needs of pregnant and lactating Women … Read more
In India around 70% of the Population earns its livelihood from agriculture. It fulfills the basic need of human beings and animals. It is an important source of raw material for many Agro Based Industries. India’s geographical condition is unique for agriculture because it provides many favorable conditions. There are plain areas, fertile Soil, … Read more
Carbohydrates (glucose, sucrose and cellulose) Carbohydrates (also called saccharides) are molecular compounds made from just three Elements: carbon, hydrogen and Oxygen. Monosaccharides (e.g. glucose) and disaccharides (e.g. sucrose) are relatively small Molecules. They are often called sugars. Other carbohydrate molecules are very large (polysaccharides such as starch and cellulose). Carbohydrates are: a Source Of Energy … Read more
Ray Optics The wave model of Light has one serious drawback, though: Unlike other wave phenomena such as Sound, or surface waves, it wasn‟t clear what the medium was that supported light waves. Giving it a name – the “luminiferous aether” – didn‟t help. James Clerk Maxwell‟s (1831 – 1879) theory of electromagnetism, however, showed … Read more
Cotton is a soft, fluffy staple fiber that grows in a protective case around the seeds of the cotton plant. The fiber is almost pure cellulose, and it is used to make a variety of products, including clothing, textiles, paper, and cosmetics. Production Cultivation Ginning Harvesting Pest and disease management Fiber Properties Strength Softness Absorbency … Read more
Distribution of Mulberry and Non-mulberry Sericulture (area, production and productivity across states), Cocoon Production Sericulture which has its origin in China is an age old Industry in India. Silk route is one of the ancient internationally recognized route for global business for not only silk but also other important commodities. History reveals that silk is … Read more