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The Sri Lankan Advanced Level (A-level), formerly known as the Higher School Certificate (HSC), is a General Certificate of Education (GCE) qualification exam in Sri Lanka, similar to the British Advanced Level.
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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.
Quantum mechanics is a fundamental theory that describes the behavior of nature at and below the scale of atoms. [2]: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.
2 August 2019: RB: Firas Finjan Al-Karkh: Free transfer [6] 3 August 2019: RW: Hussein Younis Al-Samawa: Free transfer [7] 5 August 2019: CF: Kenneth Ikechukwu: Yenicami Ağdelen: Free transfer [8] 6 August 2019: DM: Abdoul Madjid Moumouni: Al-Merrikh: Free transfer [9] 10 August 2019: CM: Ahmed Mohsin Ashour Al-Zawraa: Free transfer [10] 20 ...
Modern physics is an effort to understand the underlying processes of the interactions of matter using the tools of science and engineering. In a literal sense, the term modern physics means up-to-date physics. In this sense, a significant portion of so-called classical physics is modern. [1]
In a paper published in 1865, James Clerk Maxwell proposed that light was an electromagnetic wave and, therefore, travelled at speed c. [5] In 1905, Albert Einstein postulated that the speed of light c with respect to any inertial frame of reference is a constant and is independent of the motion of the light source. [ 6 ]
Max Born's 1924 paper "Zur Quantenmechanik" was the first use of the words "quantum mechanics" in print. [16] [17] His later work included developing quantum collision models; in a footnote to a 1926 paper he proposed the Born rule connecting theoretical models to experiment. [18]