Physical hazards konspekt
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Luminance Other measures:
Luminous efficacy (lm/W) – the ratio between
Luminance (L) is the the total luminous flux emitted by a device and
luminous intensity the total amount of input power it consumes;
emitted by a light source Colour temperature (K) – is desrcibed as the
absolute temperature of perfect black body (e.g.
per unit area. tungsten filament lamp: 2800 K);
Unit – cd/m2 Colour rendering index CRI (without unit) –
describes how a light source makes the color of an
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