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

Sanskritization

Sanskritization Sanskritization or Sanskritisation is a particular form of social change found in India. It denotes the process by which castes placed lower in the caste hierarchy seek upward mobility by emulating the rituals and practices of the upper or dominant castes. It is a process by which a low caste or a tribe or … Read more Sanskritization

The Guptas : Extent of empire; development of language and Literature, art St architecture during the Gupta period.

The Gupta Empire stretched across northern, central and parts of southern India between c. 320 and 550 CE. The period is noted for its achievements in the arts, architecture, sciences, religion, and philosophy. Chandragupta I (320 – 335 CE) started a rapid expansion of the Gupta Empire and soon established himself as the first sovereign ruler of the empire. It marked the end of 500 hundred … Read more The Guptas : Extent of empire; development of language and Literature, art St architecture during the Gupta period.

Miscellaneous Facts:

Miscellaneous Facts:   India’s GDP per Capita 622 (US $ PPP). It is 684 US $ for Pakistan.   The top 3 countries with external debt are Brazil (235 billion $), China (193 billion $) & Russia (175 billion $). India is 9th with 112 billion $.   Functional employment occurs when people change from … Read more Miscellaneous Facts:

Air Pollution

  aggravated because of four developments: Increasing traffic, growing cities, rapid economic development, and industrialization contamination of air by the discharge of harmful substances   Major air pollutants and their sources Carbon monoxide (CO) It is a colourless, odourless gas that is produced by the incomplete burning of carbon – based fuels including petrol, diesel, … Read more Air Pollution

INDIAN FOREST TYPES

  Forest types in India are classified by Champion and Seth into sixteen types.   Tropical Wet evergreen forests are found along the Western Ghats, the Nicobar and Andaman Islands and all  along the north-eastern region. It is characterized by tall, straight evergreen trees. The trees in this forest form a tier pattern: Beautiful fern … Read more INDIAN FOREST TYPES

States of Matter

States of Matter Solids are formed when the attractive forces between individual molecules are greater than the energy causing them to move apart. Individual molecules are locked in position near each other, and cannot move past one another. The atoms or molecules of solids remain in motion. However, that motion is limited to vibrational energy; … Read more States of Matter

The thrust of the Scientific Policy Resolution

The thrust of the Scientific Policy Resolution, 1958 was on capacity-building in advancement of science as the foundation for making a strong nation, which had just freed itself from the shackles of colonial domination . The focus of the Technology Policy Statement, 1983 was attainment of technological self-reliance and building of national strength by reducing … Read more The thrust of the Scientific Policy Resolution

Revolutionary Terrorism and Bhagat Singh

Revolutionary young men did not try to generate a mass revolution. Instead they followed the strategy of assassinating unpopular officials 1904: VD Savarkar organized Abhinav Bharat Newspapers like The Sandhya and Yugaantar in Bengal and the Kal in Maharashtra advocated revolutionary ideology Kingsford Incident: In 1908, Khudiram Bose and Prafulla Chaki threw bomb at a … Read more Revolutionary Terrorism and Bhagat Singh

chemical bonding and molecular structure

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

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