Class name Subject Book title Chapter number Content Created at
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 Astronomy in India ancient science, dating back perhaps to the time when is an humans came out of caves to live in the open. They must have felt a ...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 planets. It is important to note that all these activities required reliable estimates of the distances of the sun, moon and other astronomical obj...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 the full moon as day one (ekam प्रथमor एकम), and the bright half (Śuklapakṣa शक्लपक) starting with the new moon day as day one (ekam). However, in ...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 Nakṣatras. In all there are 27 or 28 Nakṣatras. The position of the moon is, thus, defined in terms of Nakṣatras. The constellations of the zodiac....
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 every three years. Purely lunar calendars, such as Hijri calendar followed by Muslims, do not have provision to reconcile the lunar year with the s...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 Hindu calendar. This one is called astronomical tithi (थ), or just simply, tithi. A tithi is a lunar date and determined by the positions of the Su...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 is longer than 24 hours, then it is possible that the tithi at sunrise next day will still be N. So, according to this school, a tithi gets repeate...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 the other two during their natural motion. This means that there is no change in the Sun during the eclipse and it continues to emit the usual radi...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 of an eclipse to lessen the burden of the Sun. They also blow conches to chase away Rahu and Ketu. Intersection of the orbital planes of the moon a...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 war, Bhiṣma was wounded and lay on a bed of arrows. He declared that he would die only during the auspicious period of Uttarāyaṇa. It must be point...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 observation every week boastedofsomeofthebestmathematicians, on the same day and at about the same whose works are now being appreciated time. It w...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 to seek the explanation of ecliptic, celestial equator, zodiacal constellations and their relation, occurrence of day and night as also the shape o...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 decades after Āryabhaṭṭa. He not only compiled the works of Āryabhaṭṭ- and other astronomers, but also commented on Āryabhaṭiyam. He improved on th...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 dealing with the area of a cyclic quadrilateral. He is also the author of Brahmagupta’s theorem which deals with the diagonals of cyclic quadrilate...
Class XI Accountancy Financial Accounting-I 6 20,000 (i) were not recorded. (ii) were recorded as ` 10,000. (iii) were recorded as ` 25,000. (iv) were not posted to his account. (v) were posted...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 achievements of the Kerala School was the discovery of a method to develop the infinite series of trigonometric functions. Initially the series wer...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 modern India too is playing a significant role in thedevelopmentofastronomy Two views of New Delhi’s Jantar Mantar worldwide. For example, the (Cou...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 Inter University Center for Astronomy and Astrophysics (IUCAA), Pune, has Giravali Observatory located about 80 km away. The observatory has a refl...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 past and provide information about the evolution of the universe. Also, it will allow us to study nearby objects in finer details, objects like und...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 List the locations of large optical telescopes in India. 10. What is the full form of LIGO? Discuss its importance. 11. It is said that astronomy i...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 not only in the course of the day, but in the course of the year. Indian astronomers researched the equations of the gnomon and shadow extensively;...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 India. 2nd Ed. Indian National Science Academy, New Delhi. Sharma , V.N. 1995. Sawai Jai Singh and His Astronomy. Motilal Banarsidass, Delhi. Srira...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 5 radiation. Supercluster: A supercluster is an association of galaxy clusters and groups. It is composed of a few rich clusters and many poorer grou...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 6 Mathematics in India Little is known to us at present regarding the achievements of the early Indian mathematicians and our indebtedness to them. A...
Class XI Knowledge Traditions Practi... Knowledge Traditions Practi... 6 has formed the basis of numeration in India. It is also characteristic of India, that a long series of number names have been found of very high nu...