Question

 What is a par light?

Answer Parabolic aluminized reflector lamps (PAR lights) are used in commercial and residential settings to illuminate large indoor and outdoor spaces. They are also used in photography and stage theater ... Read More »
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Top Q&A For: What is a par light

Which has the greatest energy, a photon of infrared light, visible light or ultraviolet light?

Einstein's equation for the photoelectric effect, E = hf (where E is energy of a photon, h represents Planck's constant and f is the photon's frequency), indicates that the energy of a photon is di... Read More »
http://www.answerbag.com/q_view/2087391

What will happen if put a light bulb in a light with the incorrect wattage?

Go purchase 75 Watt or lower. The 100's will give off more heat and be brighter, but may cause damage if they are covered or surrounded by material that can handle the heat coming off of 75 watt b... Read More »
http://answers.yahoo.com/question/index?qid=20070114095608AADAz0j

What is the best way to find out why all of my outdoor christmas lights don't work Light by light?

You know, I box of lights typically costs $5-$15 on average. After 1 hour of troubleshooting my lights, I gave up and bought some boxes of new ones.
http://answers.yahoo.com//question/index?qid=20071129152350AA9M9Fw

What is the difference between incandescent light&fluorescent light?

Incandescent and fluorescent lighting are the two most prevalent artificial light sources in the modern world. However, few people are aware of the strengths and weaknesses of these two technologie... Read More »
http://www.answerbag.com/q_view/1997091


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