Dispersion Of White Light by a Glass Prism: When a beam of white light is passed through a glass prism‚ it is split up into a band of colours called spectrum. This is called dispersion of white light. The spectrum of white has the colours violet‚ indigo‚ blue‚ green‚ yellow‚ orange and red (VIBGYOR). The red light bends the least and the violet light bends the most. A rainbow is a natural spectrum appearing in the sky after a rain shower. It is caused by the dispersion of sunlight by water
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LIGHT EMITTING DIODES Light Emitting Diodes are electronic components that use the flow of electrons to excite materials into emitting photons of light. A diode is a basic electronic component that allows electricity to flow one way only. The discovery of "light emitting" diodes we believe was an accident sometime around 1907 when a diode in an early radio transmitter was noticed to glow when in use. Incandescent bulbs use resistance in a filament to impede the flow of electricity‚ heating
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Nuclear energy has a significant role in the economy. The nuclear energy industry leads to job creation and economic growth. 400 to 700 permanent jobs are required by the operation of one nuclear power plant (Nuclear Energy Institute‚ 2014). There are more than 63‚000 highly skilled workers involved in the civil nuclear industry throughout the UK. In addition‚ there over 80‚000 jobs linked to the industry directly or indirectly (Nuclear Industry Association‚ n.d.). Nevertheless‚ a large amount of
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Interactions of light and matter Young was able to explain this result as a wave-interference phenomenon – the double-slit interference pattern demonstrates the wave-like nature of light. Free download and print from www.itute.com ©Copyright 2009 itute.com Explaining the interference pattern using the wave model Light has been described both as a particle and as a wave. Isaac Newton (~1665) made up a particle model of light to explain many of the known behaviours of light at that time
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Williams’ A Streetcar Named Desire‚ the protagonist Blanche DuBois descends into madness. In the play‚ Blanche dislikes the light. She explains “I like the dark. The dark is comforting to me” (116). The light symbolizes the truth‚ and Blanche is trying to hide from it. She is desperately wanting to forget her past‚ so she hides in the dark. In addition to her attempts to hide from the light‚ Blanche has an unhealthy obsession with young men. A boy selling newspapers speaks to Blanche and she kisses him and
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LIGHTS AND BULBS (Philips‚ Crompton Greaves & Havells) Assignment-1 By Bharatt Valliappan Manisha PHILIPS: Energy-efficient LED bulb–the first recipient of the L Prize® Philips Award Winning LED Bulb is the smart alternative to a standard 60 watt incandescent A19 bulb. The unique bulb design provides omni-directional light with only 10 watts of power. Ideal for decorative and ambient lighting in retail outlets‚ hotels‚ restaurants‚ government buildings‚ and multi-unit residences
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The solar energy use in Africa These days‚ solar energy has been the most talkative alternative energy source in the world. Unlike the gas‚ oil‚ and coal‚ solar enrgy is one of the clean and renewable resource‚ which can not only generate power but also protect the environment. Africa‚ has second largest population‚ estimated 1.6 billion‚ however‚ around one third of it’s people still live in the condition with no eletricity. (Renewable energy in Africa
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gravity forces the ball to move downwards‚ whilst the ball falls down‚ the Gravitational Potential Energy (GPE) that the ball has transforms into Kinetic energy. As the ball hits the ground with maximum Kinetic energy‚ the forces in play flatten and deform the frame/shape of the ball by compressing and dispersing the molecules that essentially make up the ball. As stated in the law of conservation energy‚ energy can neither be created nor destroyed; rather‚ it transforms from one form to another. Therefore
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How does ‘the world’ change as the light changes? When light intensity around us changes‚ we look at things differently. A man in a clown suit could seem like a symbol of happiness but in the dark could represent an eerie cover-up. As the sun was setting‚ there were a number of things that changed in terms of vision. The most obvious change was that objects became harder to make out. For example‚ a park bench in the distance witch was obvious before sunset became difficult to see after the sun
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of the characters lives. One example of Willa Cather using nature symbols is the light. Cather uses light to refer to change. Anytime that there is a big change coming in the book‚ there is a reference to the light. One example of this is when in the beginning of the book when Jim meets Antonia for the very first time he describes her eyes as being‚ "big and warm and full of light‚". Another time that light is used to symbolize change was at the very ending of the book after Jim left Antonia
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