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Textbooks published by NCERT are prescribed by the Central Board of Secondary Education (CBSE) [8] from classes I to XII, with exceptions for a few subjects, especially for the Class 10 and 12 Board Examination. Around 19 school boards from 14 states have adopted or adapted the books. [11]
Besides scientific papers and books and popular science literature, Narlikar has written science fiction, novels, and short stories in English, Hindi, and Marathi. He is also the consultant for the Science and Mathematics textbooks of NCERT (National Council of Educational Research and Training, India).
In February 2008, Krishna Kumar, then the director of NCERT, also discussed the challenges faced by the document in an interview. [8] The subjects of NCF 2005 include all educational institutions in India. A number of its recommendations, for example, focus on rural schools.
Light with the same radiant intensity at other wavelengths has a lower luminous intensity. The curve which represents the response of the human eye to light is a defined standard function y (λ) or V (λ) established by the International Commission on Illumination (CIE, for Commission Internationale de l'Éclairage ) and standardized in ...
Another example is incandescent light bulbs, which emit only around 10% of their energy as visible light and the remainder as infrared. A common thermal light source in history is the glowing solid particles in flames , but these also emit most of their radiation in the infrared and only a fraction in the visible spectrum.
Science & Tech. Shopping. Sports. Weather. American Airlines suspends flights to Haiti indefinitely. Nadirah Sabir. December 9, 2024 at 10:58 AM. J. David Ake / Getty Images.
Following the killing of UnitedHealthcare CEO Brian Thompson and praise for the attack on social media, law enforcement is on high alert as calls for threats against health care executives and ...
Some Democrats are dismissing the forthcoming DOGE push to cut wasteful government spending. Others in the party aren't totally writing off what Elon Musk and Vivek Ramaswamy are selling.