Physics

Please see below screenshot of 15:59.The LED spot light (fastened to the front of the boat) illumines merely a few meters in front, and fails to illumine most of the water between the boat and the markers. So how can the LED still illumine the markers that I highlighted in orange?

It counters intuition that although a light fails to illumine the area between the source and the target, the light can still illumine SOLELY the target! Please correct my intuition?

I never studied science after secondary school. Please explain like I am (1)5.

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Comments on Why do markers reflect light, even when the light source fails to illumine the space between the source and markers?

Why do markers reflect light, even when the light source fails to illumine the space between the source and markers?

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