Betekenis van:
visible light

Voorbeeldzinnen

1. It began to be light, and things were becoming visible by degrees.
2. a visible light transmission of 50 % or more,
3. a visible light transmission of 50 % or more,
4. The PL material emits light which becomes visible when the ambient light source is less effective.
5. Within this field, almost the whole of the light-emitting surface of the light must be visible.
6. Preferably the top of the crown (light crown) should be visible from one observation point.
7. ‘Light-emitting diode (LED) light source’ means a light source where the element for visible radiation is one or more solid state junctions producing injection-luminescence/fluorescence;
8. Materials for absorbing frequencies exceeding 1,5 × 1014 Hz but less than 3,7 × 1014 Hz and not transparent to visible light;
9. Materials for absorbing frequencies exceeding 1,5 × 1014 Hz but less than 3,7 × 1014 Hz and not transparent to visible light;
10. Photoluminescent material contains a chemical (example: zinc sulphide) that has the quality of storing energy when illuminated by visible light.
11. No red light shall be visible towards the front and no white light other than that from the reversing lamp or work lamps shall be visible towards the rear.
12. coloured fibres (partly visible and partly fluorescent under UV light, or invisible and fluorescent in at least two colours),
13. ‘Filament light source’ (filament lamp) means a light source where the element for visible radiation is one or more heated filaments producing thermal radiation;
14. ‘Gas-discharge light source’ means a light source where the element for visible radiation is a discharge arc producing electro-luminescence/fluorescence;
15. A light source is defined in ISO 7227:1987 ‘Road vehicles — Lighting and light-signalling devices — Vocabulary’ as an emitter of visible and radiant energy.