Table Heater With 32cm Table Top Wholesale Buy Table Heater With 32cm Table Top at Okorder
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- 200 unit/month
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Product Name: Table Heater With 32cm Table Top
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- Q: quot;The waste product that is released from the light dependent reaction. ____________quot;its for an online test, plz help! thanks muchlt;3
- Light independent reaction or light dependent reaction? I will just answer for both. The waste product of the light dependent reaction is oxygen. The product of the light independent reaction is glucose.
- Q: ok so fur my new room i want to put thoughs strings of lights around the room, but my mom says she thought they were dangerous, so are thoughs strings of lights dangerous?
- Do you mean rope lighting? Or Christmas string lights? Rope lighting has mini bulbs or LED's encased in a vinyl or plastic flexible tube. You cannot change the bulbs if one burns out. Christmas string lights have individual bulbs that can be replaced on a string (the kind you'd decorate a tree with). Neither type is dangerous per se though the rope lighting tends to be more versitle for general lighting. You can use the rope lighting for under/over cabinet lighting in a kitchen and I've seen it used as a type of home theatre lighting. Rope lighting also tends to stay cooler than Christmas string lights, especially if you get a more expensive LED rope light. The Christmas string lights are best used for temporary Christmas decorating so I'd steer clear of them for keep in my room all the time lighting. An 18 foot white rope light (home improvement stores should carry them year round) will probably set you back $10-$20. They also come in green, red, blue, and multi-colored.
- Q: what exactly IS light?why does it spread?when a light source is turned on, why does the light spread? what causes the light itself to exert itself?light travels at 186000 mi/sec, but what exactly is it thats traveling?
- Light is an electromagnetic transverse wave composed of 2 oscillating fields, an electric field and a magnetic field travelling perpendicular to each other. EM radiation does not need any medium to travel through and as such can propagate through a vacuum. Light along with ALL EM waves travel at roughly 3x10^8m/s through a vacuum. If you want to know about what we consider visible light, well it is any EM radiation within a wavelength of about 410nm(Violet) - 700nm(Red). A nanometer is 10^-9m, very small indeed. Any radiation within that wavelength is visible light. That is actually the only difference between all types of EM radiation, their wavelengths, which in turn affects their frequencies and as a direct result of that affects their photon energy. How do we create light? light is generally created by electrons. Electrons exist in energy levels. From the lowest energy electrons (ground state) to higher energy levels. In an atom the electrons can become excited. They become excited when they ingest EM radiation. Electrons have to absorb an exact quanta of energy before they can jump to higher energy levels, this is further proof that energy is quantified. When an electron absorbs say UV light(which is of a very high frequency and thus energy) the electron jumps to the highest energy level. After a while the electron de-excites by jumping down energy levels, when it jumps down a level it emits a photon of EM radiation that is equal to the energy loss. The electron could jumps form say the 5th energy level, to the 4th, or from the 5th to the 3rd, or from the 5th to the 1st, it can jump from there to pretty much any energy level, the corresponding difference in the energy levels is what is emitted as a photon. Why does the light spread? well because light is always travelling, so once a source is turned on, light will travel in any and all directions.
- Q: how does the light bulb produce light???
- very confusing subject. check out in google. it may help!
- Q: Compare and Contrast Light And Sound. I NEED HELP! HELP! NOW NOW NOW!!
- Both are waves, and both can be perceived by humans. Light travels much faster than sound, and because it's an electromagnetic wave, it can travel through a vacuum. Sound is a physical wave and needs a medium like air or water to travel through.
- Q: i need help im having a black light party an need to know what food glows under black lights???
- the lighter the food the better it glows you can purchase food dyes that fluoresce under black light or you can get really cool temporary tattoos that do to
- Q: What object created by man is close to the speed of light?
- Ah, the beam of light emitted from your torch (aka, flashlight) actually travels at light speed. But for stuff that's close to, but not quite, light speed, we've been moving electrons and protons around accelerators at close to light speed for decades now. The LHC at CERN, for example, accelerates protons up to about v = 99.999% light speed before smashing them into each other.
- Q: how to measure the speed of light
- There are many techniques to measure the speed of light. The first measurement of light-speed on Earth was by Armand Fizeau in 1849. He used a beam of light reflected from a mirror 8 km away. The beam passed through the gaps between teeth of a rapidly rotating wheel. The speed of the wheel was increased until the returning light passed through the next gap and could be seen. Then c was calculated to be 315,000 km/s. Leon Foucault improved on this a year later by using rotating mirrors and got the much more accurate answer of 298,000 km/s. His technique was good enough to confirm that light travels slower in water than in air. The wikipedia link below will help you...
- Q: what are those long fish tank lights called?its for my 152 gallon tank.also is there a pink colored one for the light?
- It sounds like you are talking about VHO fluorescent lights. I don't know what kind of fish you are talking about keeping but pink is not a proper light color for any fish I'm aware of. Actinic lights look blue and 15-20k lighting has a somewhat blue color to it. VHO's come in various lengths up to 6'.
- Q: In a indoor large class room setting, need a low heat lighting solution for the podium area. So the speaker is not too hot, yet the light is bright enough for filming. Thanks!
- The new fluorescent bulbs don't give off heat, and although they cost more, they use a lot less electricity so are said to save money. The first ones I bought for the house were too bright, like daylight, and not the mood I wanted in my living room. I believe Lowes could help you with just the right thing.
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Table Heater With 32cm Table Top Wholesale Buy Table Heater With 32cm Table Top at Okorder
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 200 unit/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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