Why does enough water come together to become a source of light?

Introduction Why does enough water come together to become a source of light? When enough water is collected, the water does not emit light, but full reflection and refraction occurs. Light enters obliquely from the air

Why does enough water come together to become a source of light?

When enough water is gathered, the water will not emit light, but full reflection and refraction will occur.

When light bends from air to another medium, or from another medium to air, the direction of light propagation changes. This phenomenon is called refraction of light.

The law of refraction of light is: In the refraction of light, the incident ray, the refracted ray and the normal line are all in the same plane, the refracted ray and the ray incident are separated on both sides of the normal line, the angle of refraction is not equal to the angle of incidence.

When light falls obliquely from air to another medium, the angle of refraction is less than the angle of incidence. When light falls obliquely into the air from another medium, the angle of refraction is greater than the angle of incidence. when the angle of incidence is zero degrees, the angle of refraction is also zero degrees.

In light refraction, the optical path is also reversible.

There are four ways to produce electricity: You only said it could produce electricity, but not to what extent, haha.

1: Thermocouple , different metals have different electronic potential energies under different temperature conditions. , there will be a potential difference at the two ends, and there will naturally be a current. Of course, this current will be very low.

2: Semiconductor: The PN node will have the Tier effect when current passes through it, i.e. one side of the node absorbs heat and the other side releases heat the heat. The opposite effect of this effect can produce a potential difference. You can search for semiconductor refrigeration chips online. Check the relevant information.

3: Stirling machine, I won't go into details.Closer to the Carnot cycle. This is probably the most effective.

4: Rankine cycle using an organic medium: this case achieves the best efficiency in low temperature conditions. However, it is estimated that such a small expansion screw machine that can be driven by a cup of hot water will be difficult to process.

For more details, you can check Tibet geothermal power plant, which uses n-hexane as a medium to drive the expansion screw machine. The working heat source is 110 degree hot water and the back water temperature is 30 degree. Basically, one ton of water can produce one kilowatt hour of electricity.

I hope this is helpful.

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