Noise Pollution

  Sound is measured in decibels (dB). An increase of about 10 dB is approximately double the increase in loudness. A person’s hearing can be damaged if exposed to noise levels over 75 dB over a prolonged period of time. The World Health Organization recommends that the sound level indoors should be less than 30 … Read more Noise Pollution

Origin of the Aryans

    The Aryans came to India in several waves. The earliest wave is represented by the Rig Vedic people who appeared in the subcontinent in about 1500 BC. They came into conflict with the indigenous inhabitants called the Dravidians mentioned as Dasa or Dasyus in Rig Veda. The Rig Veda mentions the defeat of … Read more Origin of the Aryans

RELATIVE SPEEED AND TRAIN QUESTIONS

  Speed has no sense of direction unlike the velocity. Relative speed is the speed of one object as observed from another moving object. Questions on train are the classic examples of relative speed and in all these questions it is assumed that trains move parallel to each other – whether in the same direction … Read more RELATIVE SPEEED AND TRAIN QUESTIONS

POLLUTANTS AND TROPHIC LEVEL

  Movement of these pollutants involves two main processes:   Bioaccumulation refers to how pollutants enter a food chain. there is an increase in concentration of a pollutant from the environment to the first organism in a food chain.   Biomagnification refers to the tendency of pollutants to concentrate as they move from one trophic … Read more POLLUTANTS AND TROPHIC LEVEL

Impact of Liberalisation

  The leading economists of the country differ in their opinion about the socioeconomic and ecological consequences of the policy of liberalisation.Liberalization has led to several positive and negative effects on Indian economy and society. Some of the consequences of liberalisation have been briefly described here: 1. Increase in the Direct Foreign Investment: The policy of … Read more Impact of Liberalisation

Different Forms of Marriage Practiced in Ancient India

1. Brahma Duly dowered girl to a man of the same class 2. Daiva Father gives daughter to a sacrificial priest as a part of his fee 3. Arsa A token bride price of a cow & a bull is given in place of the dowry 4. Prajapatya Father gives girl without dowry & without … Read more Different Forms of Marriage Practiced in Ancient India

Important Acts

The Govt. of India Act Gave assurance that there would be no more territorial possessions. Titles were 1858 bestowed  on  many  princes  &  the  right  of  adoption  was  accepted.  No         interference in religious matters. The Indian Council Provided  that  there  was  no  difference  between  the  central  &  provincial Act 1861 subjects. … Read more Important Acts

Earth’s Layers – Earth’s Composition

  The Crust of Earth It is the outermost and the thinnest layer of the earth’s surface, about 8 to 40 km thick. The crust varies greatly in thickness and composition – as small as 5 km thick in some places beneath the oceans, while under some mountain ranges it extends up to 70 km … Read more Earth’s Layers – Earth’s Composition

PARTNERSHIP

  Partnership : Partnership is an association of two or more parties, they put money for business.         Simple Partnership: Simple partnership is one in which the capitals of the partners are invested for the same time. The profit or losses are divided among the partners in the ratio of their investments. … Read more PARTNERSHIP

Dimension of ethics: Role of administrators in society and educational institution in the inculcating

Dimension of ethics: Role of administrators in society and educational institution in the inculcating Ethics in private and public relationships- Behaviour, Moral and Political attitudes of administrators. Public administration depends on government. Government has the function for public administration. Its responsibility is to build a road by creating the environment which is beneficial to national … Read more Dimension of ethics: Role of administrators in society and educational institution in the inculcating

Exit mobile version