Std-9 Sanskrit -Gujarati Medium
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Textbook Name: Std- 9 Sanskrit -Gujarati Medium Textbook pdf Download
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Class: Standard - 09
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-9 Sanskrit-Gujarati Medium Textbook pdf
For example, for a few hundred years physicists have theorized the presence of atoms, formulated many atomic theories, investigated the structure of the atom, and accumulated a great deal of knowledge about the atom and its components. This knowledge in turn has allowed many advances in physics and other related fields.
Class-9 Sanskrit-Gujarati Medium Textbook pdf
This was the case without the scientists being able to actually see an atom. (It is true that using super-accelerators / super-colliders physicists were able to break atoms into smaller pieces. However, another problem of ‘visibility’ arose. The now- famous “Higgs” particle seems to ‘block the vision’ of scientists who again seem not able to ‘see’ what they would like to see firsthand). In a similar fashion, astrophysicists have produced scientific knowledge about the inside of the sun and the kinds of reactions taking place within, all without splitting the sun open!
GSEB STD-9 Sanskrit Textbook PDF
2The question arises, “How do scientists produce a seemingly reliable body of knowledge about such phenomena?” Scientists collect data about the phenomena they study. The holes on the folder represent data points allowing us to view a part of the object of investigation. The data points that can be collected about different phenomena vary in several ways. Some of those ways include the:For example, the quality of the Hubble telescope photos of distant galaxies now available to astronomers are by far more informative than earlier photos taken by observatories on Earth.
STD-9 Sanskrit Textbook
Amount (e.g., number of holes) which may depend on the feasibility and practicality of collecting the data. For example, in geological surveys, it is possible, but not at all practical, to collect rock samples from every square meter of terrain. Samples are usually collected from a much larger unit area. Quality (such as small versus larger holes) which relates to the accuracy, precision, etc., of the data. The quality of data depend on a multitude of factors. Technology is one.
