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“Every great physical theory starts as a heresy and ends as a dogma”. Give some examples from the history of science of the validity of this incisive

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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“Politics is the art of the possible”. Similarly, “Science is the art of the soluble”. Explain this beautiful aphorism on the nature and practice of

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Though India now has a large base in science and technology, which is fast expanding, it is still a long way from realising its potential of becoming a world leader in science. Name some important factors, which in your view have hindered the advancement of science in

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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No physicist has ever “seen” an electron. Yet, all physicists believe in the existence of electrons. An intelligent but superstitious man advances this analogy to argue that ‘ghosts’ exist even though no one has ‘seen’ one. How will you refute his argument

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The shells of crabs found around a particular coastal location in Japan seem mostly to resemble the legendary face of a Samurai. Given below are two explanations of this observed fact. Which of these strikes you as a scientific explanation ? (a) A tragic sea accident several centuries ago drowned a young Samurai. As a tribute to his bravery, nature through its inscrutable ways immortalised his face by imprinting it on the crab shells in that area. (b) After the sea tragedy, fishermen in that area, in a gesture of honour to their dead hero, let free any crab shell

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The industrial revolution in England and Western Europe more than two centuries ago was triggered by some key scientific and technological advances. What were these advances

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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It is often said that the world is witnessing now a second industrial revolution, which will transform the society as radically as did the first. List some key contemporary areas of science and technology, which are responsible for this

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Write in about 1000 words a fiction piece based on your speculation on the science and technology of the twenty-second

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Attempt to formulate your ‘moral’ views on the practice of science. Imagine yourself stumbling upon a discovery, which has great academic interest but is certain to have nothing but dangerous consequences for the human society. How, if at all, will you resolve your dilemma

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Science, like any knowledge, can be put to good or bad use, depending on the user. Given below are some of the applications of science. Formulate your views on whether the particular application is good, bad or something that cannot be so clearly categorised : (a) Mass vaccination against

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Science, like any knowledge, can be put to good or bad use, depending on the user. Given below are some of the applications of science. Formulate your views on whether the particular application is good, bad or something that cannot be so clearly categorised : (a) Computers for

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Science, like any knowledge, can be put to good or bad use, depending on the user. Given below are some of the applications of science. Formulate your views on whether the particular application is good, bad or something that cannot be so clearly categorised : (a) Development of new

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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India has had a long and unbroken tradition of great scholarship — in mathematics, astronomy, linguistics, logic and ethics. Yet, in parallel with this, several superstitious and obscurantistic attitudes and practices flourished in our society and unfortunately continue even today — among many educated people too. How will you use your knowledge of science to develop strategies to counter these attitudes

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Though the law gives women equal status in India, many people hold unscientific views on a woman’s innate nature, capacity and intelligence, and in practice give them a secondary status and role. Demolish this view using scientific arguments, and by quoting examples of great women in science and other spheres; and persuade yourself and others that, given equal opportunity, women are on par with

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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“It is more important to have beauty in the equations of physics than to have them agree with experiments”. The great British physicist P. A. M. Dirac held this view. Criticize this statement. Look out for some equations and results in this book which strike you as

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Though the statement quoted above may be disputed, most physicists do have a feeling that the great laws of physics are at once simple and beautiful. Some of the notable physicists, besides Dirac, who have articulated this feeling, are : Einstein, Bohr, Heisenberg, Chandrasekhar and Feynman. You are urged to make special efforts to get access to the general books and writings by these and other great masters of physics. (See the Bibliography at the end of this book.) Their writings are truly inspiring

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Textbooks on science may give you a wrong impression that studying science is dry and all too serious and that scientists are absent-minded introverts who never laugh or grin. This image of science and scientists is patently false. Scientists, like any other group of humans, have their share of humorists, and many have led their lives with a great sense of fun and adventure, even as they seriously pursued their scientific work. Two great physicists of this genre are Gamow and Feynman. You will enjoy reading their books listed in the

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Physics is the branch of science which deals with the study

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In Physics, quantitative measurement is central to the growth of science

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With which phenomena, classical Physics deals

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