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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.
It's used to shortlist students for INPHO. Students must be under 20 years old by June 30 of the IPHO year and cannot have passed Class 12. Past participants in IPHO or APHO are eligible for INPHO directly. The exam has 60 multiple-choice questions (48 single-correct and 12 multi-correct), with a 2-hour time limit.
The National Standard Examination in Junior Science or NSEJS is an examination in Science for secondary school students, usually conducted in the end of November.. Organized by the Indian Association of Physics Teachers in association with Homi Bhabha Centre for Science Education (HBCSE), NSEJS is considered to be the toughest Science exam on higher secondary level
Get ready for all of today's NYT 'Connections’ hints and answers for #548 on Tuesday, December 10, 2024. ... Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game Night.
The Kissing Number Problem. A broad category of problems in math are called the Sphere Packing Problems. They range from pure math to practical applications, generally putting math terminology to ...
A ray of light being refracted through a glass slab Refraction of a light ray. In optics, the refractive index (or refraction index) of an optical medium is the ratio of the apparent speed of light in the air or vacuum to the speed in the medium. The refractive index determines how much the path of light is bent, or refracted, when entering a ...
Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...
Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.