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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.
The idea of a magazine in Hindi that could serve the needs of teachers and students in schools was first conceived in the early '90s. Members of the Eklavya foundation had been part of a pioneering science education programme in over 1000 middle schools in Hoshangabad and other districts of Madhya Pradesh, known as the Hoshangabad Science Teaching Programme (HSTP). [3]
Physics is the scientific study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. [1] Physics is one of the most fundamental scientific disciplines. [2] [3] [4] A scientist who specializes in the field of physics is called a physicist.
The barometer question is an example of an incorrectly designed examination question demonstrating functional fixedness that causes a moral dilemma for the examiner. In its classic form, popularized by American test designer professor Alexander Calandra in the 1960s, the question asked the student to "show how it is possible to determine the ...
In nuclear and particle physics, the conventional unit is the barn b, where 1 b = 10 −28 m 2 = 100 fm 2. [1] Smaller prefixed units such as mb and μb are also widely used. Correspondingly, the differential cross section can be measured in units such as mb/sr.
Sometimes in the field of physics "matter" is simply equated with particles that exhibit rest mass (i.e., that cannot travel at the speed of light), such as quarks and leptons. However, in both physics and chemistry , matter exhibits both wave -like and particle -like properties, the so-called wave–particle duality .
As recorded on the first page of Subtle Is the Lord, Pais' biography of Einstein, Pais responded to the effect of: 'The twentieth century physicist does not, of course, claim to have the definitive answer to this question.' [9] Pais' answer was representative not just of himself and of Bohr, but of the majority of quantum physicists of that ...
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