Exploring Light
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Questions and Answers

Light is measured with two main alternative sets of units: radiometry consists of measurements of ______ power at all wavelengths

light

Photometry is useful, for example, to quantify Illumination (______) intended for human use

lighting

Photometry measures light with ______ weighted with respect to a standardized model of human brightness perception

wavelength

The cone cells in the human eye are of three types which respond differently across the visible ______

<p>spectrum</p> Signup and view all the answers

The photometry units are designed to take this into account and therefore are a better ______

<p>representation</p> Signup and view all the answers

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