Figure 6-18 in my text book was an example of an electromagnetic spectrum‚ which is all wavelengths of light both seen and unseen (Trefil & Hazen‚ 2010). The display of the electromagnetic spectrum showed gamma rays‚ X-rays‚ ultraviolet light‚ infrared‚ visible light‚ microwave‚ radio waves‚ as well as a visible spectrum wavelength (Trefil & Hazen‚ 2010). The diagram shows at what frequency and wavelength each wave moves and what it allows us to see‚ hear‚ and feel with visible light and/or
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something depends mainly on which wavelengths of light it emits‚ refects‚ or transmits. Color is also determined by which frequency or which colors of the rainbow are present. And we see what comes back to us as an combination of spectrums or colors and Sometimes a single color. But it depends on what frequency is reflected back. While light comes from the sun and reflects on any object we see. There are seven different Types of Electromagnetic Spectrum wavelengths‚ Such As Radiowaves‚ Microwaves
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resolution or resolving power (ability to distinguish between two nearby points) and not magnification. 2. Mircoscope resolution is limited by the wavelength of the source of illumination (visible light‚ in the case of an optical microscope) and the numerical aperture of the lenses. Smallest object viewable limited by resolution which is limited by wavelength of the source of illumination and N.A of the lenses. Lab: Stero microscope low power instrument used in visualizing large objects at low magnification
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composed of many different wavelengths of light combined together. A spectrophotometer is an instrument that shines a single wavelength of light of a known intensity into a solution and then measures the intensity of the light exiting the solution. If a solution contains any compound that absorbs light‚ the intensity of light exiting the solution will be less than what entered the solution. On the other hand‚ if none of the compounds in the solution absorb at that wavelength of light‚ then the intensity
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electric and magnetic fields of photons are completely random in orientation. Typically emitted from light bulbs and LEDs. 3. Laser-(light amplification by stimulated emission of radiation) used to provide the high-powered‚ tightly controlled light wavelengths necessary for high-speed‚ long-distance optical fiber transmission. 4. Output Pattern-is the energy couples into the core of the optical fiber. 5. Output Power- allows transmission distances. 6. Modulation Speed- is something that can limit
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objects of different temperatures emit spectra that peak at different wavelengths. Hotter objects emit shorter wavelengths‚ thus appearing bluer‚ whilst colder objects emit longer wavelengths‚ appearing redder. A star’s surface temperature can be deciphered using this method by seeing its color and surmising the amount of heat it’s giving off. 7. Wien’s law states that the peak of the emission spectrum shifts to shorter wavelengths as the temperature increases‚ this means that the color changes from
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E) none of these Answer: C Diff: 1 Topic: Vibrations and Waves 3) Like a transverse wave‚ a longitudinal wave has A) amplitude‚ frequency‚ wavelength‚ and speed B) amplitude‚ frequency‚ and wavelength. C) amplitude‚ wavelength‚ and speed. D) wavelength‚ speed‚ and frequency. E) amplitude‚ frequency‚ and speed. Answer: A Diff: 1 Topic: Vibrations and Waves 4) In a longitudinal wave the compressions
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electrons. Essay Fireworks have been lighting up our night skies for years. The light and colour of these fireworks can be explained through chemistry after understanding the composition of fireworks‚ colour‚ photons‚ wavelength‚ frequency‚ energy levels‚ white light and wavelengths emitted from compounds. Fireworks were discovered around 2000 years ago in China; they were originally used in New Year’s
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Wave Homework Don’t do your work on this sheet!! Vsound=345m/s. 1. A regular wave train has a wavelength of 10.5mm. If the wave is moving at 34.78m/s what are the wavelength‚ frequency‚ period and velocity in the proper units? 2. How are frequency and period are related? 3. A wave generator produces 16.0 pulses in 4.00 seconds. What is the period? 4. What is the frequency for the problem above? 5. If a water wave has 10.0 meters between crests and have a frequency
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through it. The cleared compounds or solution also can absorb the light that is not seen through the naked eyes. The wavelength specifically used to test the absorbance level is 400 to 600 those are in nanometer unit‚ in this experiment the wavelength to used is 470‚ 500‚ 530‚ 560‚ 620‚ 650‚ 680 nanometer. Measures the absorption of light by spectrophotometer with a specific wavelength used to determine the concentration of the pigments or solution. Figure 1.1 shows the schematic diagram of
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