C. Crane BNB Bright Night LED Nightlight Bulb
- 1.3 watts
- 4 LEDs, but still as bright as a regular nightlight
- Just enough light to see when you need it
- UL Listed
Save over 7 Years! Fits Most Standard Night Lights Two Year Warranty!1.3 Watts 5 Bright White LEDS Energy Efficient Cool-RunningLEDS, or "light emitting diodes", are a major breakthrough in lighting technology. Unlike standard light bulbs, LEDs produce light without heat. Their true benefit is power efficiency and long life. LEDs do not have filaments, like ordinary light bulbs, that break when you drop them.Weight: 0.3 oz. Size: 2" H x 0.75" Dia
C. Crane BNB Bright Night LED Nightlight Bulb
GE 12979-6 G25 Incandescent Soft White Globe Light Bulb, 40-Watt, 6-Pack
- Regular, everyday light
- Application: Vanity lights, pendant lights or any fixture where the bulb is visible
- Base: Medium Screw (E26) * Bulb Type: G25 * Watts: 40
- Perfect for home or office
- 40G25/W 6-Pack
GE, 40G25W, 40W, 120V, 3" Diameter, White, Decorative, Globe Light Bulb, Maximum Overall Length 4-1/2", Medium Base, 370 Lumens, 1500 Hours, Boxed.
GE 12979-6 G25 Incandescent Soft White Globe Light Bulb, 40-Watt, 6-Pack
Hi,I did the following:
What is the science behind light bulbs and their color/ brightness?I have to do a project over spectral analysis and light bulbs. It asks what causes light bulbs to be different colors and different brightnesses. Please try to be specific and only answer if you know, or post a reliable link to a website that can help. I really appreciate any help I receive with this! Thanks for whoever answers!
Posted by PaulCyp
Briefly, it has to do with the wavelengths and wave altitudes of light waves emitted by each type of bulb. Different wavelengths are perceived as different colors, while variations in wave altitude are seen as differences in intensity.
Posted by MJD
http://home.howstuffworks.com/light-bulb.htm
http://members.misty.com/don/bulb1.html
http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=AERSCZ000008000001010203000001&idtype=cvips&prog=normal
http://www.freepatentsonline.com/20090114932.pdf
different color light bulbs
http://scitation.aip.org/journals/doc/AERSCZ-ft/vol_7/iss_2/147_1.html#div4
https://circle.ubc.ca/bitstream/2429/7912/1/08W-ScienceOne-JoanNg.pdf
Book pages 12-15
http://books.google.com/books?hl=en&lr=&id=fWHQbhgxpAkC&oi=fnd&pg=PA1&dq=incandescent+bulb+intensity&ots=xgDxUmpUiq&sig=3DJujD5J1nzyEM_K8jxNjfftmsA#v=onepage&q=&f=false
Give your answer to this question below!
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