Recommended Interesting Articles

Physics

Human eye

The human eye is a complex optical system made up of various transparent media in addition to a physiological system with numerous components. The whole ensemble that makes up human vision is called the eyeball. Light strikes the cornea and converges to the retina, forming the images. For this imaging several physiological phenomena happen.
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Chemistry

Chemical reactions

Substances can be combined with other substances into new substances. We call these transformations chemical reactions. Chemical reaction is a phenomenon where atoms remain intact. During the reactions, the initial molecules are "disassembled" and their atoms are reused to "assemble" new molecules.
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Chemistry

Chemical bonds

Atoms are hardly left alone in nature. They tend to come together, thus forming everything that exists today. Some atoms are stable, that is, little reactive. Others can not be isolated, they need to connect to other elements. The forces that hold atoms together are fundamentally electrical in nature and are called chemical bonds.
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Physics

Tricks to remember physics formulas

Mechanics I just worked around. (Displacement in uniform motion) S ust only, seeing the elevation until midnight. (Time shift function in MUV) V the flight is at me. (Hourly speed function in MUV) You see 2 more friends in an intimate triangle. (Torricelli's equation) Physics and the cost!
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Chemistry

Bohr model

The model of Danish physicist Niels Bohr was trying to continue Rutherford's work. To explain the errors of the previous model, Bohr suggested that the atom has quantized energy. Each electron can only have a certain amount of energy, so it is quantized. Bohr's model represents the energy levels.
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Chemistry

Physical states and states of aggregation of molecules

A substance can be found in liquid, solid or gaseous physical state. These different aspects are called aggregation phases and depend on temperature and pressure. For each substance, there is a temperature and pressure range in which it maintains its characteristics as a species, changing only the phase of aggregation.
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