Circuit: Bimetalic Strip, Resistance Heater Wire, and Light Bulb with a Switch... HELP!!!?

As far as I follow your explanation, the light will flash on and off. The resistance wire heats the switch which opens it (light goes off), then the switch cools down because the resistance wire is off and it closes again (light goes on), now the resistance wire is heating the switch and we are back at the begining. The light will flash on and off over and over again. This is very similar to the way some car indicator flasher cans used to work.

1. Why are solar panels blue and not vanta black which can absorb up to 99.96% of visible light?

Vantablack absorbs light into its own structure, turning it into waste heat. If you put vantablack over a solar panel, 0% of it will get through to the photovoltaic cell, meaning that the panel will produce no electricity. It will get real hot, though. So, if that's what you're going for.... It's trivial to absorb a lot of light. Any dull, black paint will absorb over 90% of visible light, which is why any black object will get pretty hot if you leave it in direct sunlight. The function of solar panels it to absorb that light in such a way that it converts directly into electrical potential. That's a much more difficult and complex thing to do, and vantablack does nothing remotely similar.In theory, if you could produce a near 100% efficient solar panel, it would appear quite black, because it would absorb pretty much all the light. But that doesn't mean that being extremely black means it would produce more electricity. Painting over a solar panel would make it useless, not more efficient.Why are solar panels blue and not vanta black which can absorb up to 99.96% of visible light?

2. mathematical expression to unpolarised light

Strictly monochromatic unpolarized light does not exist. Unpolarized light is a sum of light with different polarization directions and a certain bandwidth of frequencies. At any instant, the E-field has a certain direction. The time length that it oscillates with this direction is the coherence time. The bandwidth must be at least as large as the reciprocal value of the coherence time.One way to deal with this mathematically is Mueller calculus.

3. Is coral photosynthesis dependant on the wavelength or frequency of light?

Short answer: Coral does not need the light, it's the zooxanthellae that is symbiotic with some corals that relies on light to grow; it adapts to the frequency spectrum available at the depth the particular coral grows, full spectrum at shallow depths and at over 30m the zooxanthellae relies on blue light because other frequencies are absorbed by water.Some species of coral, such as Lophelia pertusa, grow in water so deep that there is too little light for them to rely on zooxanthellae, instead their polyps gather food directly with their tentacles, feeding heterotrophically.There are even instances of coral feeding on jellyfish, see: "Opportunistic feeding by the fungiid coral Fungia scruposa on the moon jellyfish Aurelia aurita" (May 21 2009), by A. Alamaru, O. Bronstein, G. Dishon and Y. LoyaLonger answer:The physics portion of your question is best answered on our Physics.SE site's question: "Why does not the frequency of light change during refraction?"Light's wavelength and frequency are related to each other based on a mathematical formula, it's the intensity that is affected by passing through a medium; different materials will attenuate some frequencies more than others. Water does not transpose light's frequency or wavelength as much as it absorbs (filters) the frequencies of light affecting which color can penetrate deeper. See this other Physics. SE question: "Does light color change when refracting?":Here is what sunlight (natural light) looks like underwater:Despite that fact in shallow water enough full spectrum light penetrates sufficiently, and the zooxanthellae adapts to the spectrum available, no longer requiring blue light for growth.See: "The spectral quality of light is a key driver of photosynthesis and photoadaptation in Stylophora pistillata colonies from different depths in the Red Sea" by T. Mass, D. I. Kline, M. Roopin, C. J. Veal, S. Cohen, D. Iluz, O. Levy in the Journal of Experimental Biology 2010 213: 4084-4091; doi: 10. 1242/jeb. 039891So if you deep dive for your own coral you should be aware that it will thrive under blue light. If you obtain shallow water coral, or buy from the local aquarium supply store, white light is suitable.Also from: "The spectral quality of light is a key driver of photosynthesis and photoadaptation in Stylophora pistillata colonies from different depths in the Red Sea", (full info above):.

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Could You Answer These Questions for Me?
Could you answer these questions for me?Finally and question I can help someone with =P. Ok, The sky is blue because the molecule water tends to only reflect blue light back into space, since our planet is about 75% water, you can imagine how much blue light is being relected back into space during the daytime. It makes our sky blue. All the other color lights, water absorbs more.(red green yellow orange ect.) Apples are red because the skin of an apple reflects more red light back into space, and it absorbs more af the other colors (blue, yellow orange, green ect.) Im guessing if the apple is placed behind a red filter it would become white. When you turn the volume up the sound wave increases in intensity, which makes the sound wave higher in decibals and I am not sure on this but I think it speeds of the wave's frequency you will have to look that up.— — — — — —Difference between Green and Blue light?Green has More Wavelength than Blue; The Fringe Width in Young Double slit Expt is Directly proportional to wavelength of the color As Green has more wavelength than Blue the fringe width increases— — — — — —I am looking for an emergency blue light?need a permit from your dmv or police dept if your with a volunteer fire dept they can help with that— — — — — —What is the tool called that emits blue light?Light is an electromagnetic wave. You are right in saying that all EM radiation travels at the same speed. Light is just a range in the spectrum of EM radiation. Microwaves, radio waves, cosmic rays are all different frequencies of the same things. But light also behaves as a particle. This was demonstrated in experiments. This caused a lot of confusion among physicists for a long time. In the end, it's now recognized that light (as well as most particles) behave both as waves and as particles. The phenomenon is called Wave-particle duality and it is an important part of quantum physics. Light's speed however CAN be changed. It does so everytime it changes medium. The speed of light (297792458 m/s) is its speed in a vacuum. It slows down when it is in a denser medium (air, water, etc). This is what causes refraction. You can observe refraction when you put a pencil in a glass of water. The pencil looks bent. This is due to the change in speed of light. Light does NOT have mass. This is why it can travel so fast. For complicated reasons (see Einstein's theory of relativity) it would require infinite energy for it to travel at that speed if it had mass. But it IS affected by gravity. Einstein explained this in the same theory. Great mass bends space-time. This is the cause of gravity. Think of a sheet of rubber, streched tightly. If you put a heavy metal ball in the center, it will bend the sheet. If you then put another smaller ball, it will be "drawn" to the big one. As well, if you tried to draw a line, it would be difficult to draw it straight, the tendency would be to have it curve, evn though the line has no mass. That is basically what happens to light. This has been confirmed in observations. Astronomers have seen light being bent around stars. But keep in mind that not all of this is yet resolved. There are some inherent contradictions between the theory of relativity (which explains gravity well) and the quantum theory (which explains the particle-wave behavior of light well) that have not been resolved yet. Wikipedia is a good place to look for more information.— — — — — —What is that blue light that they shine in your mouth when getting fillings at the dentist's office?The blue light is used to cure certain materials. For example the composite materials we use for doing fillings is made up of a lot of really small parts (monomers) and what we really want is for these to link up into chains (polymers). To get this reaction going we "activate" the material by shining blue light (wave length around 480nm if I recall correctly) on it. The materials contain a certain particles, when hit by this wavelength, releases a free radical which in turn starts the formation of the polymer chains
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