luminous ray


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luminous ray

One of the visible rays of the spectrum.
See also: ray
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This was the place, when on a gorgeous autumn day, out on a game drive, I spotted not just a pride of lions a breath away, but also took in the bluest, brightest sky ever as the flaky white clouds parted and the luminous rays shone through.
BEYOND THE BIG FIVE
Lamp working principle and luminous rays' path are illustrated in Figure 1, where the flat plate mounting the LEDs matrix is shown at the bottom.
Implementation and test of a LED-based lamp for a lighthouse
The photons from the Sun (the luminous rays) are transformed into energy when they strike the cell.
MEDITERRANEAN SOLAR PLAN : A TECHNOLOGICAL LABORATORY

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