الرئيسية » أرشيف الوسم : light

أرشيف الوسم : light

absorbance

absorbance symbol: A; a measure of the ability of a substance or a solution to absorb electromagnetic radiation incident upon it. It equals the logarithm of the ratio of the radiant power of the incident radiation, Φ0, to the radiant power of the transmitted radiation, Φ. For a solution, absorbance …

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Energy

Like matter, energy can be classified in different ways. For example, energy can either be kinetic or potential. Kinetic energy is energy of motion. Gases are made of molecules that have more kinetic energy than molecules in the solid phase of that substance. For example, water molecules in steam have …

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