Povzetek
Da bi bralci dobili kvantitativno predstavo, sem zbral nekaj preglednih tabel, kakšne osvetljenosti srečamo v naravi ali v sobi in kakšne svetilnosti imajo tipična svetila. Predlagal sem tudi dva poskusa, ki naj vzpodbudita preproste meritve.
Abstract
Illumination During the Day, at Night, in the Room
In order to encourage quantitative observations, a review of the types of illuminance outdoors and indoors is presented, as well as the luminous intensity of typical lamps. Two experiments are described for conducting several simple measurements.