Std-10 Sangeet (Kanthy & Swar) -
Gujarati Medium Textbook pdf Download
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Textbook Name: Std- 10 Sangeet_(Kanthy & SWAR) -
Gujarati Medium Textbook
Language:
Class: Standard - 10
Published by: Gujarat State Board of School Textbooks (GSSTB)
Download Mode and Format: Online Mode and PDF Format File
Official Website: gujarat-education.gov.in/textbook/
Std-10 Sangeet (Kanthy & SWAR) Textbook PDF
Science was invented, at least in part, to answer questions about the natural world and get as close to “the truth as possible, but no bell rings or light blinks to tell scientists that they have found the truth. Another philosophical precept is that as long as the scientific ideas function properly and are consonant with all of the evidence it does not matter whether they correspond with reality or not.
Class-10 Sangeet (Kanthy & SWAR) Textbook PDF
The ideas are useful and descriptive and that should be the end of it. With this distinction between realism and instrumentalism in mind we can now turn to the idea of a scientific model. Although no survey has ever been taken on this issue, it seems logical that scientists do believe that they are not just producing useful ideas but that their ideas and descriptions correspond to a reality external to the scientists themselves. Certainly the average person believes this to be true.
10th Sangeet (Kanthy & SWAR) Textbook PDF
It is doubtful that anyone seriously questions the model suggested by the kinetic molecular theory of matter which pictures atoms and molecules as tiny discrete balls that have elastic collisions, thus explaining whole ranges of phenomena. Never mind that no one has ever seen these tiny balls or witnessed their impacts, but the model works; it permits both predictions and explanations and therefore must be true.
GSEB Std-9 Sangeet (Kanthy & SWAR) Textbook PDF
A realist would say that it is true while an instrumentalist would say it does not matter as long as there is something to be gained from keeping the idea in mind. The story may be apocryphal, but it is commonly repeated among science educators that when students were once asked what color atoms were, their answer was closely linked to the textbook in use by those students. If the book illustrated atoms as blue, then blue was the color students would assign to atoms when asked.
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