Notes and Study material for Exams
Unveiling the Legacy of Ptolemy: A Polymath’s Enduring Influence Ptolemy, a name synonymous with astronomy, geography, and optics, stands as a towering figure in the history of science. Born in Roman Egypt around 100 AD, his contributions transcended the boundaries of individual disciplines, shaping the intellectual landscape for centuries. This article delves into the multifaceted … Read more
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
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
Solar Eclipse A solar eclipse occurs when the Moon passes between the sun and the Earth, blocking some or all of the sun’s rays, preventing them from reaching the Earth. The result of this is that the sun appears to be (partially or completely) covered by a giant black circle (which is … Read more
Space Technology- Indian space programs. 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 … Read more
Spherical Coordinates and Projections,Time Spherical coordinates can be a little challenging to understand at first. Spherical coordinates determine the position of a point in three-dimensional space based on the distance ρ from the origin and two angles θ and ϕ. If one is familiar with polar coordinates, then the angle θ isn’t too difficult to … 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
Unraveling the Legacy of the Cholas: A Civilization That Shaped South India The Chola dynasty, a powerful and influential empire that ruled over much of South India for nearly five centuries, left an indelible mark on the region’s history, culture, and architecture. Their legacy, spanning from the 9th to the 13th centuries, continues to fascinate … Read more