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5 results for “cop”

Formulae (5)

COP = \frac{Q_C}{W}

Efficiency measure of a refrigerator or heat pump.

A = \varepsilon l c

Absorbance of light by a solution.

M = \frac{\text{image size}}{\text{actual size}}

How much larger an image appears than the object.

M = M_{obj}\times M_{eye}

Total magnification of a compound microscope.

\phi(n) = n\prod_{p|n}\left(1 - \frac{1}{p}\right)

Counts integers up to n coprime to n.