Notes and Study material for Exams
The Mighty Push: Understanding Forces of Compression and Orogenic Processes The Earth’s surface is a dynamic tapestry, constantly reshaped by the relentless forces within its depths. Among these forces, compression plays a pivotal role, driving the creation of some of the most dramatic and awe-inspiring landscapes on our planet. This article delves into the fascinating … Read more
Lunar Eclipse A lunar eclipse happens at a Full Moon, when the Moon’s tilted orbit brings it into the Earth’s shadow, which can then be seen cast onto the Moon. While not as spectacular as a total Solar Eclipse, a lunar eclipse is much easier to see; and a total lunar eclipse is an amazing … Read more
Varahamihira: Pioneer in Indian Astronomy and Astrology Varahamihira, a renowned scholar and polymath of the 6th century CE, stands as a towering figure in the history of Indian astronomy and astrology. His contributions to these fields, documented in his seminal works, have left an indelible mark on the intellectual landscape of ancient India and continue … Read more
National Agricultural Research System India has built up a fairly advanced agricultural research system. The Indian NARS is one of the largest systems in the world. The effective functioning of this system, in close association with Education and extension systems, has greatly contributed to the rapid Growth of agriculture after independence. After independence, the research … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Tuberculosis Programme TB was declared as a global Health emergency in 1993. In the same year, India established the RNTCP as a small pilot project. This project was scaled up nationwide between 1998–2006. The overall vision of RNTCP is “A TB free India”—a situation in which … Read more
Professor Freeman J. Dyson, of Institute of Advanced Studies, Princeton, in his book “Infinite in all Directions,” had this to say about Technology: “Technology is a gift of God. After the gift of Life, it is perhaps the greatest of God’s gifts. It is the mother of civilization, of Arts and of Sciences. Technology … Read more
The General Circulation of the Atmosphere: A Symphony of Winds and Weather The Earth’s atmosphere is a dynamic system, constantly in motion, driven by the uneven distribution of solar energy and the planet’s rotation. This movement, known as the general circulation of the atmosphere, is a complex interplay of winds, pressure systems, and temperature gradients … Read more
Holography Holography, means of creating a unique photographic image without the use of a lens. The photographic recording of the image is called a hologram, which appears to be an unrecognizable pattern of stripes and whorls but which—when illuminated by coherent Light, as by a laser beam—organizes the light into a three-dimensional representation of … Read more
Objects having characteristics of cellular organization, Growth, Reproduction, ability to sense Environment and give response are living organisms. There are some important features of living organisms: It should grow, which means its structure changes as time goes by in an advantageous manner. It should show adaptation to the environment. It should maintain some balanced … Read more
Metallurgy 2 Roasting It is a process wherein the Ore is heated either alone or with some other material in excess of air below the fusion point of the ore. Usually, this method is used for sulphide ores. In roasting, definite chemical changes take place to form oxide or chloride of the Metal. Ores of … Read more