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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.
In his Treatise on Light as well as in his Kitāb al-Manāẓir, he presented a study of the phenomenon of the camera obscura (his thousand-year-old version of the pinhole camera) and delved further into the way the eye itself works. Using the knowledge of previous scholars, he began to explain how light enters the eye.
In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time.In Albert Einstein's 1905 paper, On the Electrodynamics of Moving Bodies, the theory is presented as being based on just two postulates: [p 1] [1] [2]
Former world champion cyclist Rohan Dennis has pleaded guilty over a car incident in Australia which killed his wife, fellow Olympian Melissa Hoskins. Hoskins died in hospital on 30 December 2023 ...
When infrared light of these frequencies strikes an object, the energy is reflected or transmitted. If the object is transparent, then the light waves are passed on to neighboring atoms through the bulk of the material and re-emitted on the opposite side of the object. Such frequencies of light waves are said to be transmitted. [10] [11]
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DOGE is set to examine multibillion-dollar federal loans to two Tesla rivals. Vivek Ramaswamy said the cost-cutting body would "carefully scrutinize" loans to Stellantis and Rivian.