Notes and Study material for Exams
Simple Telescope And Astronomical Telescope, Construction working, uses, ray diagram Simple telescope A simple working telescope requires nothing more than a pair of lenses mounted in a tube. The lens in front, known as the objective, focuses an image; the lens in back, known as the eyepiece, magnifies the image. Although it may seem like … Read more
Nuclear physics Atoms in nature generally are electrically neutral, as they have equal numbers of protons in the nucleus and orbiting electrons. However, within the nucleus there are other particles called neutrons, which are electrically neutral but have about the same mass as protons. There are two numbers used to characterize a nucleus: Z, the … Read more
Application of Satellites for different purposes Despite being a developing economy with its attendant problems, India has effectively developed Space Technology and has applied it successfully for its rapid development and today is offering a variety of space Services globally. Indian Space Program: During the formative decade of 1960s, space research was conducted … Read more
Puranas Divided into sarga, pratisarga, manvantantar, vamsa (genealogical list of kings) & vamsanucharita. 18 main puranas & 18 subsidiary puranas. Vedas Meaning “knowledge”. Rigveda (hymns), Yajurveda (sacrificial formulae), Atharvaveda (magical charms & spell), Samveda. Vedas are called aparusheya (not created by man) & nity Upanishads About 200 in number. Deal with philosophy. Oldest & … Read more
Invention of Zero AryabhataAryabhata‘s Contributions Medicine and Healthcare Surgical Techniques Metallurgy and Engineering Architecture and Urban Planning 1. Invention of Zero Ancient Indian mathematicians made significant contributions to the field of mathematics, including the invention of the decimal system and the concept of zero. The concept of zero, initially represented by a dot or a … Read more
The Atharva Veda: A Tapestry of Magic, Medicine, and Daily Life The Atharva Veda, the fourth and final Veda of Hinduism, stands apart from its siblings, the Rig Veda, Sama Veda, and Yajur Veda. While the others primarily focus on hymns praising deities and rituals for cosmic order, the Atharva Veda delves into a world … Read more
Unveiling the Tapestry of Wisdom: A Journey into Vedic Literature The Vedic literature, a vast and intricate tapestry of ancient Indian wisdom, stands as a testament to the intellectual and spiritual brilliance of a bygone era. Spanning millennia, these texts offer profound insights into the cosmos, human existence, and the pursuit of spiritual liberation. This … Read more