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How much money can you save by turning off lights?
The amount of money can you save by turning off lights is directly determinant on how many lights you have running, at what power rating and for what amount of time. For instance if you have one light bulb with a 75 watt rating running for 100 hours that will be 75kW-hours (where kW is equal to W x 10^3 or W x 1000) kilo-watt hours are a typical measurement in household meter boxes. If your electricity is being supplied at $0.08/kw-h then it is simply 75 x 0.08 which is equal to $6.00. therefore you can see that, with numerous lights, turning them off can offer a substantial saving over a long period of time, not to mention an important environmental benefit.
What does light source Tl84 means?
Shop light
Does a lens refract light?
a lens will refract light. a mirror will reflect the light.
What simple machines makes up the base of a light-bulb?
The bottom of a light bulb is a screw.
Which light you will see if violet light is passed through a red filter?
none if the source is purely violet and the filter is 100% red.
What color light is on a green bouy?
Red buoys have even numbers and red lights; green buoys have odd numbers and green lights.
How does the Aurora appear?
it happens when sun's particles have a fusion with earth's particles close to earth, only seen in northern and southern poles because of no light pollution and those are also the magnitude poles
What colours are produced when coloured light is mixed?
When colored lights are mixed, the colors produced depend on the colors of the lights being mixed. For example, combining red and green lights creates yellow light. Mixing red and blue lights results in magenta light, while green and blue lights combine to form cyan light.
Is there a blue light on a traffic light?
To help people with colorblindness the "green" light has a mixture of green and blue. I think they the new lights have more blue than the older ones.
What color will appear if you add green light to red and blue lights?
yellow-green
What is red and green red and green red and green?
trafic lights where the amber light isn't working
How do disco lights work?
They have color filters. A red filter, for example, transmits only red light that is emitted from the white light bulb. (White light is a combination of all colors of light) A green disco light has a green screen/filter that only lets through the green light photons form the white light. So, your eyes only see the green or the red wavelengths.
What colour would the grass appear under orange lights and why?
The grass would appear black under orange lights because green objects appear black under light that does not include green wavelengths. Orange lights contain little to no green light, causing green objects like grass to absorb most of the light and appear as black.
What is the color of the wires for tail lights on a 1984 Jeep CJ7?
There are three... white, light green and light green with a black line on it.
You are operating a powerboat at night You see red green and white lights on another boat What do these lights tell you?
That a power driven ship is headed right for you. The green and red lights are the navigational side lanterns and the white light is the top light.
You are operating a powerboat at night. You see red green and white lights on another boat. What do these lights tell you?
That a power driven ship is headed right for you. The green and red lights are the navigational side lanterns and the white light is the top light.
You are operating a powerboat at night. You see red green and white lights on another boat what do these lights tell you?
That a power driven ship is headed right for you. The green and red lights are the navigational side lanterns and the white light is the top light.
