• Historical Milestones Development of Light Theory • • 2. Historical Development Isaac Newton – Particle Theory & Prism Christiaan Huygens – Wave Theory Thomas Young – Double-Slit Experiment James Maxwell – Electromagnetic Theory Heinrich Hertz – Radiowaves & Wireless Experiment William Roentgen – X-rays Max Planck – Radiation Theory Albert Einstein – Photo Model • 3. Isaac Newton (1642-1727) Particle Model of Light (1671) Light rays is comprised of a stream of massless particles
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of Language Light can take on many different forms‚ some more prominent than others. This concept is explored through the poem‚ “The Grammar of Light”‚ written by Carol Ann Duffy. The title itself is a metaphor as the term ‘light’ is being compared to language and how it can be structured in several different ways. As grammar is the study of how language is structured‚ Carol Ann Duffy uses the structure of light to emphasize language’s potential and/or its limitations. Because light is shown through
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My Green Light My green light is an ambiguous entity‚ consisting of multiple forms‚ each day varying from the next. This ever-changing pattern in my life is possibly a result of a void left behind from my childhood‚ as my parents had never encouraged or raised any desire to strive for a goal in me. As such I now have an inability to create a permanent goal for myself. My green light‚ in short‚ lacks conviction - it is deprived of the motivation required to maintain my interest‚ and eventually
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Polarized light are those that are vibrating in one direction- in a single plane such as up and down. Those that are vibrating in more than one direction -- in more than one plane such as both up/down and left/right -- are called unpolarized light. Generally‚ unpolarized light can be considered to be vibrating in a vertical and a horizontal plane. To polarize light‚ one can transmit the light through a polariod filter which will only allow light of single polarity to pass. The resulting light will be
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The speed of light (meaning speed of light in vacuum)‚ usually denoted by c‚ is a physical constant important in many areas of physics. Its value is 299‚792‚458 metres per second‚ a figure that is exact since the length of the metre is defined from this constant and the international standard for time.[2] This speed is approximately 186‚282 miles per second. It is the maximum speed at which all energy‚ matter‚ and information in the universe can travel. It is the speed of all massless particles and
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Scattering of Light | The scattering of light is an important observation in our daily life. The way light scatters off molecules in the atmosphere explains why the sky is blue and why the sun looks red at sunrise and sunset. This is because of the scattering of light. | | | Tyndall Effect A beam of light or laser‚ invisible in clear air or pure water‚ will trace a visible path through colloidal particles. This is known as the Tyndall effect after its discoverer‚ the 19th-century British
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Essay 1: Light and Color The fascinating properties of light are not all detectable to humans‚ because our reference is mostly limited to what we can see. In order to determine the atomic/molecular composition of a fluid or gas‚ one must consult an emission and absorption spectrum. The properties of this spectrum include also waves‚ which can be any length‚ and define the spectrum of electromagnetic radiation. Ranging from gamma rays to radio waves‚ an electromagnetic spectrum includes each
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The Green Light The green light at the end of Daisy’s dock is a significant symbol within the book. To Gatsby‚ the green light represents his dream‚ which is Daisy. To attain her would be completing Gatsby’s American Dream. The first time the green light is seen in the novel is also the first time Nick sees Gatsby. Fitzgerald writes‚ “…he stretched out his arms toward the dark water in a curious way‚ and‚ far as I was from him‚ I could have sworn he was trembling. Involuntarily I glanced seaward
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“Light Pollution” is a form of environmental pollution in which excessive artificial outdoor lightings affect the natural environment. Light pollution in Hong Kong is very serious. The main reason behind that are the artificial outdoor lightings. As there are many buildings scattered in Hong Kong‚ artificial lighting is omnipresent. The severe light pollution reduces the number of stars that are visible in the sky. The HKSAR Electrical and Mechanical Services Department‚ 20% of the total electrical
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"The light begins…the light ends" Dulce Maldonado Abstract: In this lab the students did two labs in which they learned the process of photosynthesis‚ which involves the use of light energy to convert carbon dioxide and water into sugar‚ oxygen‚ and other organic compounds. Oxygen is released as a product. This process is often summarized by the following reaction: 6CO2 + 12H2O ------> C6H12O6 + 6H2O + 6O2 The energy of photosynthesis comes from absorbed photons found in light and involves
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