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The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.
In the Class 7 textbook topic titled “Our Pasts-2”, pages 48 and 49 have been excluded. These pages mentioned “Mughal Emperors: Major campaigns and events.” The deletions also affected Biology and Chemistry textbooks as the theory of evolution and the periodic table were also purged from class 10 NCERT textbooks. [35] [36]
In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.
In India, the 11th Grade is the first year of higher secondary education and is often considered the third year of high school (Higher/Senior Secondary School or Senior High School). It is commonly known as "Class 11" or "Plus 1" (derived from "10+1") and, in some states, as the first year of Junior College (Intermediate or Pre-University Course).
This is followed by a middle stage that is of 3 years in length and finally a 4-year secondary stage till class 12 or 18 years of age. [293] This model will be implemented as follows: [294] [292] Instead of exams being held every academic year, school students attend three exams, in classes 2, 5 and 8. Board exams are held for classes 10 and 12.
University Physics, informally known as the Sears & Zemansky, is the name of a two-volume physics textbook written by Hugh Young and Roger Freedman. The first edition of University Physics was published by Mark Zemansky and Francis Sears in 1949. [2] [3] Hugh Young became a coauthor with Sears and Zemansky in 1973.
Mathematics and physics have influenced each other over their modern history. Modern physics uses mathematics abundantly, [134] and is also considered to be the motivation of major mathematical developments. [135]
As of January 2023, 55,791 English Wikipedia articles have been cited 92,300 times in scholarly journals, [59] from which cloud computing was the most cited page. [60] On January 18, 2023, Wikipedia debuted a new website redesign, called "Vector 2022".