Greek Letters symbol

\Eta LaTeX Symbol

\Eta

The Greek letter Eta (\Eta) is used in various scientific and mathematical contexts. In physics, it often represents efficiency or viscosity. In mathematics, it can denote a function or a variable, depending on the context.

Examples

Represents efficiency in physics, where \Eta is the efficiency ratio.

\Eta = \frac{\text{useful output}}{\text{total input}}

Represents viscosity in fluid dynamics, where \Eta is the dynamic viscosity.

\Eta = \frac{F}{A}

Used as a variable in an integral, where \Eta is a constant parameter.

\int_0^\infty e^{-\Eta x} \, dx

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