Реклама. 🟢► Inkbird IHT-1P probe thermometer: alii.pub/6qb05n 🟢► Hose for watering BEETLE Optima 3/4" 25 m: alii.pub/6qaafp?erid=Kra23jhLP 🟢► Sprinkler Snail- Giant: alii.pub/6qa9wu?erid=Kra23cyhm ►► We show where the focal point of the sun's rays is at the lens drops.How a water lens cools the surface of the leaves instead of heating in hot weather during daytime watering. cold water during the day in hot weather.
📖 Video content:
00:00 Lens-drops on the leaves on a hot sunny day.
00:07 We make a water drop-lens on a transparent support.
00:18 Sunlight is focused away from the lens and transparent support.
00:26 Focal length of the water lens.
00:39 Light diffuses further away from the focus point.
00:46 The leaves are not transparent and there is no focusing of sunlight.
00:54 Water droplets on leaves don't focus the light to a point.
00:57 The experiment is being carried out in open ground.
01:02 Air temperature on a hot day.
01:04 Cold water temperature.
01:05 Main sprinkler irrigation on a hot day.
01:07 Refreshing sprinkler irrigation on a hot day.
01:08 Drops of water on leaves are colder than air.
01:15 Water in the heat reduces the temperature of leaves and flowers closer to the optimum.
01:26 Yield of pepper when irrigated with cold water sprinkling in the heat.
01:32 Potato yield when irrigated with cold water sprinkling in the heat.
02:09 End of video.
Негізгі бет 🌱🟥 Does the drop-lens burn the leaves 🚿 Daily watering of the garden by sprinkling with cold water
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