3-dimensional objects being displayed. LED Lamp [pic] An LED lamp (or LED light bulb) is a solid-state lamp that uses light-emitting diodes (LEDs) as the source of light. LED lamps offer long service life and high energy efficiency‚ but initial costs are higher than those of fluorescent and incandescent lamps. Chemical decomposition of LED chips reduces luminous flux over life cycle as with conventional lamps. Commercial LED lighting products use semiconductor light-emitting
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Usama Mazhar Kashif Ihsan Khattak Muhammad Imran Anwar ABSTRACT Light has started from the sunlight and moonlight‚ and then the fire has changed the concept of light. Humans made torches from wooden sticks‚ lamps from rocks‚ bones and pottery‚ candles from bee wax‚ oil lamps and gas lamps but fire was common thing in all these eras which actually produced light. Discovery of electricity made the light enter into new era of technology. Thomas Edison invented the incandescent bulb and then the technology
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Ruskin Bond From Wikipedia‚ the free encyclopedia Ruskin bond | Born | 19 May 1934 (age 77) Kasauli‚ Himachal Pradesh‚ India | Occupation | Writer Poet | Nationality | Indian | Period | 1951-present | Genres | Contemporary | Subjects | Autobiographical‚ Semi-autobiographical‚ Fiction‚ Non-fiction‚ novella writer‚ novelist‚ children and young adult’s writer | Ruskin Bond‚ born 19 May 1934‚ is an Indian author of British descent.[1] He is considered to be an icon among Indian writers
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little girls and boys see are movies about princesses in distress‚ then a knight in shining armor comes to their rescue. Nearly all Disney movies use this as a basic storyline for their story whether it is in Hercules‚ Snow White‚ Sleeping Beauty‚ or Aladdin; the main plot of the movie is nearly the same. These recurring themes‚ which appear in most Disney movies‚ definitely have an impact on children’s self-image‚ and cause them to make assumptions of the real world based on this. Much of the media and
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scenarios. A different scenario would be when society would not be able to accept a powerful and non-emotional woman‚ or a very sensitive man. An example of this is children are educated of what roles a man and female play. In Disney movies‚ such as Aladdin‚ children are shown roles of women and men. A young girl is given to a man just to own more land. It shows society what role a man has over a woman. Anna Quindlen author of a short essay “Gay” and Gillianne N. Duncan author of “Why Do We Hate Our
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“When you are curious‚ you find there is a lot you can do.” It is no surprise that this piece of wisdom came from Walt Disney. Throughout his life‚ Disney was considered to be one of the most influential men of the 20th century in the entertainment business. It was his imaginative mind that created the modern animation empire. Through trial and error Disney was able to figure out a recipe for success that resulted in the Disney Empire that is experienced by the world in 2014. The life of Walt Disney
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Light intensity - The light intensity will be controlled by the knob on the lamp throughout the experiment. In addition‚ the light intensity will be controlled by closing the windows and doors in the classroom as well as turning off any other light source besides the one lamp needed to carry-out the experiment. (DV) - Distance in between the lamp and the woodlouse - Speed of woodlouse - The distance between the lamp and the woodlouse will be controlled by measuring its distance with a ruler
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lightning over the freeways is completed through HID (High Intensity Discharge lamps)‚ the energy utilization of HID lamps/lanterns are high. The intensity of HID lamps cannot be controlled‚ in harmony to the necessity‚ therefore there is a requirement to swap to a substitute way of illumination system i.e.‚ by making use of LEDs. This lighting system is constructed to conquer the disadvantages of High Intensity Discharge lamps. This lightning system exhibits the utilization of the Light emitting diodes
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water • Lamp • Clock For Your Safety: -Do not shake the thermometer. -Wear goggles when experimenting. -Do not touch the light bulb in the lamp. Procedure: 1. Obtain all the materials. Place the lamp on a chair. Make sure the lamp is facing down. 2. Place the sand and water (which should be in a cup) underneath the lamp. 3. Place a thermometer in the sand and in the water. 4. Record the temperature before turning on the lamp. 5. Ask an adult to turn on the lamp. Record
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spectrometer with Fabry-Perot etalon has been used to investigate the various atomic emission characteristics from a Zn-Cd-Hg lamp‚ a low pressure Hg lamp and a Ne lamp. The Fabry-Perot etalon of Free Spectral Range 0.010 cm-1 was used to resolve the fringes of the Hg 546.0731nm spectral line‚ and the 594.4834nm‚ 614.3063nm‚ 640.2246nm and 650.6528nm spectral lines of the Ne lamp‚ and study them at very high dispersion. Using the method of exact fractions‚ an extremely accurate value for the etalon spacing
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