Investigation of the effect of light intensity Equipment: * Data loga * Light sensor * Bulb * Metre ruler X3 Variables: Independent variable – distance of the light sensor from the light source (m) Dependant variable – intensity of light (lux) Control | Why it needs to be controlled? | How will you control it? | Bulb | There are different watts in different bulbs | Use the same bulb‚ but if your one does break half way through the experiment you can use another bulb with the
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dark and light. The whole story reads like a chiaroscuro‚ a play of light and darkness. Joyce uses the darkness to describe the reality which the boy lives in and the light to describe the boy’s imagination - his love for Mangan’s sister. The story starts with the description of the dark surroundings of the boy: his neighborhood and his home. Joyce uses these dark and gloomy references to create the dark mood and atmosphere. Later‚ when he discusses Mangan’s sister‚ he changes to bright light references
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The Green light at the end of Daisy’s dock is a major symbol‚ and helps add meaning to the novel. The light represents Gatsby’s hopes and dreams‚ and the light that is leading him to his goal‚ which is Daisy. When Nick spots Gatsby for the first time‚ he is standing with his hands in his pockets peering out across the bay‚ “he stretched his arms out toward the dark water in a curious way… [Nick] distinguished nothing except a single green light‚ minute and far away” (26). This symbol develops a curiosity
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- 21 VIII. Controls p. 21 -22 IX. Executive Summary p. 23 - 24 X. References p. 24 I. Introduction What is LED light? With a view to creating a better quality of light and saving energy LED light has entered the light industry. Full form of LED is light emitting diode. The concept of LED is pretty simple. Like every other diodes‚ LED is made of semiconductor filled with impurities from Group IIIA and GROUP VA elements‚ creating
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“STREET LIGHT” is one of the major power consuming factors. Most of the time we see street lights are ON even after sunrise thus wasting lot of energy. Over here we are avoiding the problem by having an automatic system which turns ON & OFF the street lights at given time or when the ambient light falls below a specific intensity. All streetlights are connected to a central computer from where the time at which the lights are to be turned ON/OFF can be set. An LDR is used to check if the lights have
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Theme Essay- A Northern Light A Northern Light is a story about mystery‚ freedom and romance. The author uses these themes to keep you in suspense‚ help you relate to the book and help you experience what emotions the main character goes through. Without mystery there would be no suspense. Life itself is a mystery. Not everything is what it seems. When Grace Browns body is discovered there is the theme of mystery is introduced. After Mattie says that she knows who the man was in the
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Graham Greene uses the motif of light to symbolize power. One young boy Trevor‚ nicknamed T‚ took power in the gang over Blackie to plan on destroying Mr. Thomas’s house. While the gang was destroying the house‚ T. found notes that he wanted to burn. The flame of the burning note only “illuminated his brooding face” (55). Only having T.’s face illuminate symbolized that T. had the power‚ and he was in charge of all of the destruction that the gang “created.” While the burning note was a form of light “illuminating” power
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the relative intensities of light at various horizontal distances from the lamp. The light detector (photocell) will enable us to make light intensity measurements that are more precise than those made with the human eye. The photocell converts light intensity to an electrical potential difference‚ which can be measured with a voltmeter. Using our measurements made from numerous elevations above the table‚ we assumed voltmeters were proportional to the intensity of light and observed a relationship
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Robert Smith Light vs. Darkness Often times in literature the comparison between light and darkness is made. In Charles Dickens‚ A Tale of Two Cities‚ the author contrasts the two elements throughout the novel. Light and darkness are in constant battle with each other‚ they also dominate the setting and tone of the story. From the opening lines the reader has a since of struggle between light and darkness‚ “It was the best of times‚ it was the worst of times‚ it was the age of wisdom‚ it was
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An Increase in Light Intensity Increases the Rate of Respiration M. Chauntise‚ S. Shaika‚ R. Shantal INTRODUCTION The sun plays a vital role in sustaining an entire living world whether indirectly or directy using a transformation process called photosynthesis. This process assists in nourishing plants and keeping them alive. For example‚ trees grow very tall in the rainforest where there is an abundance of water in order to reach as much light as they can. For this reason‚ in order to survive the
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