MAIN NOTES

Corrosion and its prevention

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Corrosion is defined as an attack on a material as a result of chemical, frequently electrochemical reaction, with the surrounding medium. According to this definition, the term corrosion can be applied to all materials, including non-metals. But in practice, the word corrosion is mainly used in conjunction with metallic materials. Why do metals corrode? Apart … Read more Corrosion and its prevention

Renaissance and Reformation

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The Renaissance and Reformation Greater travel, rising wealth and greater knowledge of outer world led to a new philosophy of life called renaissance. With rising material consumption, this worldly pleasures took place of Church advocated other worldly pleasure and hence human and not god became center of activities. Thus, humanism was a key feature of … Read more Renaissance and Reformation

chemical bonding and molecular structure

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Chemical Bonding and Molecular Structure The smallest particle of element is atom and the smallest particle in a compound is molecule. The force or the binding that keeps the atoms in the molecule combined during the formation of molecule is called chemical bonding. The concepts like that of Kossel-Lewis, VSEPR principle, valence bond theory, molecular … Read more chemical bonding and molecular structure

Rivers and drainage system of rajasthan

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Rajasthan – Drainage System Rajasthanis biggest state in area with 5.5 percent population but only 1 percent water resources of the country. State is divided in to 13 watersheds and 59 sub-watersheds. Most of the Rivers originate from the Aravali hills and flow either in east or west. Those Rivers flowing in east merge with Yamuna. … Read more Rivers and drainage system of rajasthan

Secularism

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Secularism India is a multi religious and multi cultural country from its known history.Greatness of our nation is highlighted by the unity in diversity maintained by various sections of Indian society. Secularism in the multi-cultural, multi-lingual and plural society of India a significant role to play in reducing religious conflicts and persecution, upholding human rights … Read more Secularism

Forestry of Rajasthan

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  Rajasthan is blessed with great variety of natural resources ranging from scanty vegetation in the western arid region to mixed delicious and sub-tropical evergreen forests in the east and south east of Aravali ranges. Forest cover is 32744.49 sq.km.(12475 sq.km. is reserved, 18222 sq.km.is Protected Forest 2046.75 is unclassified forest) which is about 9.57% of the total … Read more Forestry of Rajasthan

Ashram Vyavastha

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Ashram Vyavastha It is the duty of a Hindu to pass through four different ashram (stages) in their life. The first Ashram is called brahmacharya ashram (the educational stage) from which the fourth Varna, Sudra and women of the first three varna are barred. This is the stage of youth or learning, which requires a … Read more Ashram Vyavastha

Major Landmarks in the History of Rajasthan, Major Dynasties, their Administrative and Revenue System.Socio-cultural Issues.

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  Rajasthan : Ancient Civilizations Different Ancient Civilizations of Rajasthan are:- Kalibangan Civilizations:- Kalibangan lies along the left bank of the dried-up bed of river Ghaggar (ancient Sarasvati and Drashdwati). Its supposed to be older then 4000 B.C. and was first discovered by Amlanand Ghosh in 1952 AD It comprises of three mounds, the larger … Read more Major Landmarks in the History of Rajasthan, Major Dynasties, their Administrative and Revenue System.Socio-cultural Issues.

Psychology stress management

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Psychology stress management Stress arises when individuals perceive a discrepancy between the physical or psychological demands of a situation and the resources of his or her biological, psychological or social systems. There are many ways of coping with stress. Their effectiveness depends on the type of stressor, the particular individual, and the circumstances. For example, … Read more Psychology stress management