Notes and Study material for Exams
Solar Energy : Source, Solar heating devices, solar cooker solar cell Sunlight is Earth’s most abundant energy source and is delivered free of charge. Indeed, the energy from sunlight reaching the land surface of the earth is thousands of times greater than the world’s current total annual consumption of energy. Yet harnessing sunlight’s energy content directly—rather than … Read more
India China Relations: Ladakh Conflict For more than 100 days, tensions have been high between India and China along their disputed Himalayan border. This tension has been most acute in eastern Ladakh, where, in mid-June, 20 Indian soldiers and an unspecified number of Chinese soldiers were killed in the Galwan Valley, the first fatalities along … Read more
Energy security Energy security can be defined as “the uninterrupted availability of energy sources at an affordable price”. Energy security has many dimensions: long-term energy security mainly deals with timely investments to supply energy in line with economic developments and sustainable environmental needs. Short-term energy security focuses on the ability of the energy … Read more
Raja Ramanna Center for Atomic Technology (RRCAT) Raja Ramanna Centre for Advanced Technology is a unit of Department of Atomic Energy, Government of India, engaged in R & D in non-nuclear front line research areas of Lasers, Particle Accelerators & related technologies. RRCAT was established by the Department of Atomic Energy, India to expand the … Read more
The G7 is a group of seven major industrialized democracies: Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States. The G7 was founded in 1975 as the G6, with the addition of Canada in 1976. The G7 meets annually to discuss economic and political issues of common interest. The G7 has been … Read more
Science & TechnologyFor Notes Click on the topics [su_posts template=”templates/list-loop.php” posts_per_page=”100″ tax_term=”1321″ tax_operator=”0″ order=”desc”] Physical Science (I)System of Units: MKS, CGS and SI (II)Definition of speed,velocity, gravity, mass, weight, force, impact, work,power and energy. (III)Solar System, relative position of Earth with respect to Sun and other planets, movement of earth and moon in solar system, lunar and … Read more
Ore An ore is a special type of rock that contains a large enough amount of a particular mineral (usually a Metal) to make it economically practical to extract that mineral from the surrounding rock. Not all Minerals are found in a large enough amount in one location to make it worth it to remove the ore … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> United Nations and its specialized agencies The United Nations () is an intergovernmental organization established on 24 October 1945 to promote international cooperation. It was founded to replace the League of Nations following World War II and to prevent another conflict. When it was founded, the had 51 Member States; … Read more
Man-Made Disasters: Understanding Human-Caused Catastrophes The world is constantly evolving, with advancements in technology and human ingenuity shaping our lives. However, this progress often comes with unintended consequences, leading to catastrophic events that are entirely human-made. These disasters, stemming from negligence, recklessness, or deliberate acts, pose significant threats to human life, infrastructure, and the environment. … Read more
National Energy Policy There are four key objectives of National energy policy: Access at affordable prices,Improved security and Independence, Greater Sustainability and Economic Growth. Considering POVERTY and deprivation in India, access to energy for all at affordable prices is of utmost importance. We are yet to provide electricity to nearly 304 million people, and clean … Read more