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Variation of light intensity over the distance from the front PBR wall... | Download Scientific Diagram
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energy - Does brightness of the light remains constant with the variation of the distance with respect to the source in vaccum? - Physics Stack Exchange
![Variation of light intensity over the distance from the front PBR wall... | Download Scientific Diagram Variation of light intensity over the distance from the front PBR wall... | Download Scientific Diagram](https://www.researchgate.net/publication/325386235/figure/fig3/AS:963548964458502@1606739383336/Variation-of-light-intensity-over-the-distance-from-the-front-PBR-wall-at-different_Q640.jpg)