What is Photometry? What is Luminous Intensity? What is Luminous Flux? What is Lumen? Laser Vs Torch
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YouTubeRupesh Verma IIT Guwahati
What is Photometry? What is Luminous Intensity? What is Luminous Flux? What is Lumen? Laser Vs Torch
Photometry is the branch of science that deals with the measurement of visible light as perceived by the human eye. Unlike radiometry, which measures all electromagnetic radiation, photometry focuses only on the light visible to us. It helps us understand how bright a source appears, how light spreads in space, and how it illuminates objects ...
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