Notes and Study material for Exams
Contribution of Prominent Indian Scientists Ever since Vedic times, science and scientific inquiry have been integral to Indian intellectual endeavors. It is widely known that Indian mathematicians invented the concept of zero and the decimal system of numbers. It is perhaps not as well known that the Pythagorean theorem was known in India many centuries before Pythagoras was … Read more
The Solar System consists of the Sun and its eight main planets, their satellites, asteroids, comets, meteors and other dwarf planets. The Sun is at the one of the two “centers” of The Solar System and the planets revolving around it in elliptical orbits. The sun is in the centre of the solar system. It … Read more
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> , in physics, complete reflection of a ray of Light within a medium such as water or glass from the surrounding surfaces back into the medium. The phenomenon occurs if the angle of incidence is greater than a certain limiting angle, called the critical angle. In … Read more
Science And Technology In Ancient Period: Mathematics, Astronomy, Physics, Chemistry, Botany, Zoology, Physiology and Medicine (including Surgery), Ship- building, Mining and Metallurgy, Engineering and Architecture Like people in any other part of the world Indians too, have a rich legacy of scientific ideas. A desire to now the unknown, accompanied with experimentation and observation have … Read more
Rotational Motion A rotation is a circular movement of an object around a center (or point) of rotation . A three-dimensional object always rotates around an imaginary line called a rotation axis. If the axis passes through the body’s center of mass, the body is said to rotate upon itself, or spin. A rigid body … Read more
Mensuration is the branch of mathematics which deals with the study of different geometrical shapes, their areas and Volume. In the broadest sense, it is all about the process of measurement. It is based on the use of algebraic equations and geometric calculations to provide measurement data regarding the width, depth and volume of a … Read more
1.The Marathas were Scindia (Gwalior), Holkar (Indore), Gaekwar (Baroda), Bhonsle (Nagpur). 2.Sawai Jai Singh of Amer (Jaipur) had Euclid’s ‘Elements of Geometry) & several works on Trigonometry were translated into Sanskrit. Banda Bairagi was baptised as Banda Singh Bahadur by Guru Gobind Singh. 3.Alfonso d’ Albuquerque came to India as The Portuguese … Read more
Rasfreenotes team presents Module 2: General Science to the RAS/RTS Aspirants. Module 2 consists of following sections:- Physics Biology Chemistry The importance of general science can be accessed by the number of questions from the section. You could buy module 2 in just 99 INR for promotional period. For any doubt leave a mail @rasfreenotes@gmail.com, Science is … Read more
[su_posts template=”templates/list-loop.php” posts_per_page=”320″ tax_term=”298″ tax_operator=”0″ order=”desc”] European Space Agency (ESA) Estd. 1975 Intergovernmental organization dedicated to the exploration of space. Planck (Spacecraft):-Planck is a space observatory designed to observe the universe using high sensitivity and angular resolution. It was launched in 2009. In July 2010, the Planck space satellite released the full map of … Read more
Science & TechnologyFor Notes Click on the topics – Basics of Everyday Science. –Space Technology including Satellites. – Defence Technology. – Nanotechnology. – Human body, Food and Nutrition, Health care. – Environmental and Ecological Changes and its Impacts. – Biotechnology and Genetic engineering. – agriculture,