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Showing posts with the label English textbook chapters

Srinivasa Ramanujan (questions answers and summary)

    srinivasa-ramanujan Srinivasa Ramajun was the one of the greatest mathematical genius of the world. He was born in a poor family at Erode in Coimbatore in 1887. His father was an accountant to a cloth merchant and had to maintain a large family on a small income. Srinivasa was granted half exemption of fees when he stood first in the primary school exam in whole of Tnanjore district. From his childhood he had a quiet and dreamy temperament but he was brilliant at mathematics. Figures did not worry him. Things which were all dark to his classmates were as clear as daylight to him. He always help them. When he was in second standard his curiosity upon the subject of the highest truth in mathematics was aroused. In fourth standard he could solve the most difficult problems of trigonometry. He solved Ewler's theorem and Car's synopsis of pure mathematics. He kept a record of the solutions in a note book which he afterwards showed to other mathematicians to their great astonish...

Major Ancient Indian Scientists (question answer & summary)

 Summary: Contributions of Ancient India around 5th century: Concept of zero, differential calculus, texts on morphology, physiology and germination process of plants, and system of nomenclature. But the invasion of Mughals, the Portuguese, the Dutch, the French and the British prevented the growth of science. At the present A member of nuclear club, space club and Antarctica exploration club. World's third largest pool of trained technologies just after USA and Soviet Union. Sushruta Born in sixth century B.C. Sushruta was descendent of Vishwamitra. He learnt surgery from Dhanwantari. Known as father of plastic surgery all over the world. His book "Sushrut Samhita" is relevant even today. Sushrut-Smahita In eighth century the book was translated into Arabic as Kitab-Shaw-Shoon a Hindi and Kitab-i-Susrud. He was first physician to advocate caesarian operation. He was an expert in removing urinary stones, treating fractures and eye operation for cataract. Several centuri...

Science in Ancient India ( question answers & summary)

  Summary: In ancient India study of astronomy was merged into astrology. Dhanwantari the legendary founder of Indian science of medicine. The best books of that time were by Charak on medicine and Sushruta on surgery. These textbooks enumerates large number of disease, their diagnosis and treatment, Various surgical instruments and operations are mentioned by Sushruta. Their approach was experimental and wounds were sterilized by fumigation, a technique of Ayurveda in which fumes of certain drugs were inhaled by the patient. In third or fourth century B.C. there was hospitals for animals. This was probably due to influence of Jainism and Buddhism with their emphasis on non-violence. In mathematics some epoch making discoveries were made in the field of mathematics in ancient India notably that of zero sign, decimal place value system, use of minus sign and us of letters of alphabet in algebra to denote unknown quantities. They had a long series of number names for very high numera...

All Men are Scientists (question answer & summary)

   Summary: We think that mind of scientist must be constituted differently but out mind also uses the terrible apparatus used by scientists. Whole life we apply induction and deduction, the same complex train of reasoning as scientist. Inductive method of reasoning:  It means 'to draw general conclusion from a particular example, from individual to universal.' Deductive method of reasoning:  It just a opposite of deductive method in which 'knowledge about things that are generally true are used to understand any particular situation.' In the example of apple also we see that the more varied the condition of experiment the more certain is the conclusion. In the same way a scientist also exposes his law to every possible condition and that too is intentionally. Scientific investigation is not some kind of black art. The method of scientific investigation is nothing but the expression of the necessary mode of working of the human mind. It is simply the way of explainin...

Sonnet to Science (question answers & summary)

  Science! true daughter of Old Time thou art!    Who alterest all things with thy peering eyes. Why preyest thou thus upon the poet’s heart,    Vulture, whose wings are dull realities? How should he love thee? or how deem thee wise,    Who wouldst not leave him in his wandering To seek for treasure in the jewelled skies,    Albeit he soared with an undaunted wing? Hast thou not dragged Diana from her car,    And driven the Hamadryad from the wood To seek a shelter in some happier star?    Hast thou not torn the Naiad from her flood, The Elfin from the green grass, and from me      The summer dream beneath the tamarind tree? sonnet-to-science-by-edgar-allan-poe Summary: Science, by enforcing reality and its dull truth, takes away from the abilities of poets. A poet cannot love or respect Science because it would rather study the stars than listen to his fancies. Because of Scien...