light
what is the speed of light?
Briefly explain the reason why does sun emerge flat throughout sunrise and sunset?
Give one benefit of a scanning electron microscope over the transmission electron microscope? Briefly explain it.
Rayleigh-Jeans law: For a blackbody at the thermodynamic temperature T, the radiance R over a range of frequencies between the nu and nu + dnu is specified by: R = 2 pi nu2 k T/c2.<
Pauli Exclusion Principle (W. Pauli; 1925): No two similar fermions in a system, like electrons in an atom, can contain an identical set of the quantum numbers.
Kirchhoff's laws (G.R. Kirchhoff) Kirchhoff's first laws: An incandescent solid or gas in high pressure will generate a continuous spectrum. Q : Define Dirac constant Dirac constant : Dirac constant: Planck constant, modified form; hbar Sometimes more suitable form of the Planck constant, stated as: hbar = h/(2 pi)
Dirac constant: Planck constant, modified form; hbar Sometimes more suitable form of the Planck constant, stated as: hbar = h/(2 pi)
Describe when the intermolecular forces are strongest? Briefly state it.
Woodward-Hoffmann rules: The rules leading the formation of products throughout certain kinds of organic reactions.
Lenz's law (H.F. Lenz; 1835): The induced electric current always flows in such a direction that it resists the change generating it.
Explain how is energy transformed in the windmills?
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