- #1
Kehsibashok
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1.how to derive the Planck's constant ? how does he found that?how can it be correct?
2.derivation of E=mc^2.
2.derivation of E=mc^2.
Planck's constant, denoted by h, is a fundamental constant in physics that relates the energy of a photon to its frequency. It is named after the German physicist Max Planck, who first introduced it in his theory of blackbody radiation.
Planck's constant plays a crucial role in quantum mechanics and is used to calculate the energy levels of atoms and molecules, as well as the properties of particles such as photons and electrons. It is also used in the famous equation E=mc^2 to relate mass and energy.
Planck's constant is directly related to the speed of light, c, in Einstein's theory of relativity. In fact, the speed of light is a constant that appears in the equation E=mc^2, where c represents the speed of light and m represents mass. This relationship shows the interconnection between energy, mass, and the speed of light.
Planck's constant is measured using a device called a Kibble balance, which uses the principles of electromagnetism to accurately measure the constant. This method is currently the most accurate way to measure Planck's constant and has been used to redefine the unit of mass, the kilogram, in terms of the constant.
The applications of Planck's constant and E=mc^2 are numerous and have greatly impacted our understanding of the universe. Some of the practical applications include the development of technologies such as lasers, transistors, and nuclear power. These equations also play a crucial role in fields such as nuclear physics, astrophysics, and particle physics.