chloride‚ Strontium chloride‚ Lithium chloride‚ Copper II chloride‚ Sodium Chloride‚ and Barium Chloride. Burning a pinch of each salt separately by holding a nichrome wire over a Bunsen burner‚ we found that each salt emitted a different color of light. For example‚ Potassium Chloride burnt a bright pink flame when burned‚ while Calcium burnt orange. No color was truly identical. What was the cause of this phenomenon? To answer this question‚ we need to dive deep into the heart chemistry‚ right down
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Lab No. 2: The Microscope Light microscopy The bright field microscope is best known to students and is most likely to be found in a classroom. Visible light is focused through a specimen by a condenser lens‚ then is passed through two more lenses placed at both ends of a light-tight tube. The latter two lenses each magnify the image. Limitations to what can be seen in bright field microscopy are not so much related to magnification as they are to resolution‚ illumination‚ and contrast
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intensify light passing through it. To do this I will be measuring the temperature of an object behind the lens‚ at the focal point. The study and research of lenses was not part of the course this year‚ so I thought it would be more interesting to study a new topic. I started by using an ordinary filament lamp and lenses of varying diameters‚ but the lenses were so large‚ the focal points would have been too far from the light source. I am now using a projector light so the focused light is more intense
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Television emits blue light that also produced by the sun. But it’s blue light is not same as ultraviolet light. Blue light did not make the eyes automatically blink. So‚ the blue light goes straight into retina without filter anymore. The wavelength of light produced is 400-500nm and hence‚ potentially triggering the formation of free radicals and injuring the photochemistry in the retina of children’s eyes. Ten years later when the children were adults‚ the damage caused by blue light looks very clear
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experiencing the world for the first time. Shelley’s visual imagery of light and darkness and strong use of sensory diction help to reveal the humanity within the Creature. Shelley uses sensory diction to depict the Creature as a newborn baby experiencing the world for the first time. This description helps to highlight the humanity within the Creature despite its unnatural creation. When the Creature wakes up it feels “light‚ and hunger‚ and thirst‚ and darkness…sounds rung in my ears…scents saluted
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in a particular way. By employing several symbols‚ Katherine Anne Porter expresses the special “jilting” ingeniously. The name “Weatherall” reveals the character of the heroine. The author concentrates the whole life of Weatherall on the substance “light”‚ which foreshadows the inescapable death. Running through the whole story‚ “blue” explains the tone and exposes the theme of the story. The name “Weatherall” indicates Weatherall’s character. It helps readers have an insight into Weatherall by
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people thought traveling at the speed of light was just something in science fiction novels‚ but after multiple tests performed by multiple people‚ it has been proven true. If one were to have enough energy it is easy to travel at the speed of light. The New Horizons spacecraft is the closest we have ever gotten to traveling at the speed of light. It’s speed is 9‚000 miles per hour‚ making it the fastest we have ever gotten to the speed of light. The speed of light is possible‚ as technology on earth
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Then the spotlight was put on them. The ones handling the lights first spotted them with a blue light than a red light making a magenta color‚ once they added the green light there spotlight was white. They both were amazed from experiencing light source mixture to how each one looked. As Dolly’s phone kept ringing with electromagnetic waves ‚ she didn’t hear a thing because they were mixing with the
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2.7 Raman spectroscopy Principle: Raman spectroscopy is based on the use of a laser light to induce oscillation and rotation in human fluids containing glucose. Because the emission of scattered light is influenced by molecular vibration‚ it is possible to estimate glucose concentration in human fluids [24]. This effect depends on the concentration of the glucose molecules. This technique can measure very weak signals‚ even in human fluids. The wavelength range of Raman spectrum is considered to
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[pic] [pic] ASSIGNMENT COVER |Course code: |CS 300 | |Course name: |Telecommunications | |Assignment title: |Fiber Optics In Communication | |Instructor’s
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