MPSC Mains Paper 3-Science

Institutional structure for development of nuclear technology in India The huge potential of the atom had been envisioned in India in the ancient times and references to the same can be found in some of the ancient scriptures. Such references provide us a tantalizing glimpse into the ancient Indian history and, indeed, into the level … Read more

TRENDS IN NUCLEAR POLICY, NPT AND CTBT Nuclear policy of india Important points of india’s nuclear policy are as follows: Building and maintaining a credible minimum deterrent. nuclear weapons will only be used in retaliation against a nuclear attack on Indian Territory or on Indian forces elsewhere. Nuclear retaliation to a first strike will be … Read more

Disaster manangement: some case studies Aspects of Disaster Management Disaster Prevention Disaster Prevention is the concept of engaging in activities which intend to prevent or avoid potential adverse impacts through action taken in advance, activities designed to provide protection from the occurance of disasters. Disaster Preparedness Disaster preparedness activities embedded with risk reduction measures can … Read more

  Natural Disasters and Aggravating Factors Although these hazards are natural but there are certain aggravating factors which will result in increased frequency, complexity and severity of disasters. These factors are Climate change Unplanned urbanisation Under development Poverty Pandemics Earthquakes Earthquakes are tectonic in origin; that is the moving plates are responsible for the occurrence … Read more

Disaster Management History shows that India is exposed to national disasters. Cyclones, floods, earthquakes, droughts and floods are major threats. About 60 percent of the landmass is prone to earthquakes of various intensities, over 40 million hectares is prone to floods and 68 percent of the area is susceptible to drought. This not only results … Read more

Determinants of Nuclear Tests: Pokhran I (1974) and Pokhran II (1998) Pokhran 1 test The emergence of China as fifth nuclear power in October 1964 constituted a significant threat to India’s territorial integrity and sovereignty. The strained relations between the two countries after the 1962 aggression sparked off an acrimonious debate on defence policy in … Read more

Classifications, generations, applications and limitations of digital computers   Computer Classification: By Size and Power Computers differ based on their data processing abilities. They are classified according to purpose, data handling and functionality. According to functionality, computers are classified as: Analog Computer: A computer that represents numbers by some continuously variable physical quantity, whose variations mimic the properties of some … Read more

Power distribution Primary distribution lines contain a distribution transformer present in the locality of the clientele. Primary distribution ranges from 4 to 35-kilo Voltage. Only industries can directly feed the transmission line. Most average consumers are connected to a transformer that brings down the voltage to a useable level. The distribution network for the primary … Read more

Due to lack of information security various cyber crimes arises, ―Cyber security means set of activities, technical and non-technical aspects of protecting information, devices, computer resources, network resources and other critical information stored there in from unauthorized access, modification and disruption, disclosure. Although the government has ambitious plans to raise cyber connectivity. There has a … Read more

Use of I.T. in various services An important application of information technology is video on demand. It is very common now a days. The cable tv operator provides services to watch any video clipping, movie or any favourite tv program. The channel is established from the computer at home and the cable operator. Another application … Read more