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Download QR code; In other projects ... An authenticate study note for Chemistry lab practicals for students of class XII. May this data be useful to others ...
On 12 April 2018, the police said that Rakesh Kumar, who leaked the class 12 economics paper, had leaked class 10 mathematics paper also. [40] Consequently, the Central Board of Secondary Education has put in place a system of "encrypted" question papers, which are supposed to be printed by the schools half an hour before the exam starts. [41]
Dr. Dinesh Prasad Saklani is the director of NCERT since 2022. [2] In 2023, NCERT constituted a 19-member committee, including author and Infosys Foundation chair Sudha Murthy, singer Shankar Mahadevan, and Manjul Bhargava to finalize the curriculum, textbooks and learning material for classes 3 to 12. [4]
Nanotechnology is the manipulation of matter with at least one dimension sized from 1 to 100 nanometers (nm). At this scale, commonly known as the nanoscale, surface area and quantum mechanical effects become important in describing properties of matter.
Defence expenditure was pegged at US$70.12 billion for fiscal year 2022–23 and, increased 9.8% than previous fiscal year. [ 293 ] [ 294 ] India is the world's second-largest arms importer; between 2016 and 2020, it accounted for 9.5% of the total global arms imports. [ 295 ]
In nuclear energy studies, xenon is used in bubble chambers, [188] probes, and in other areas where a high molecular weight and inert chemistry is desirable. A by-product of nuclear weapon testing is the release of radioactive xenon-133 and xenon-135 .
A paradigm shift is a fundamental change in the basic concepts and experimental practices of a scientific discipline.It is a concept in the philosophy of science that was introduced and brought into the common lexicon by the American physicist and philosopher Thomas Kuhn.
[23] Originally, the regents envisioned a small, several thousand–student liberal arts college, a so-called " Williams College of the West", at Santa Barbara. Chronologically, UCSB is the third general-education campus of the University of California, after Berkeley and UCLA (the only other state campus to have been acquired by the UC system).