Light is just one portion of the various electromagnetic waves flying through space. The electromagnetic spectrum covers an extremely broad range‚ from radio waves with wavelengths of a meter or more‚ down to x-rays with wavelengths of less than a billionth of a meter. Optical radiation lies between radio waves and x-rays on the spectrum‚ exhibiting a unique mix of ray‚ wave‚ and quantum properties. At x-ray and shorter wavelengths‚ electromagnetic radiation tends to be quite particle like
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Name:_______________________ Class: F.___ Class No:_____ 1. Light and sight We see an object when light from that object enters our eyes. Many rays from the object enter the eye at the same time. However‚ in diagrams‚ we only show two or some rays only. A point gives out many rays but we usually draw _two___ rays to mark out the cone of rays from the point of the object reaching the eye (Fig 1a). To indicate that the eye sees the whole object‚ two cones of rays are drawn from the two
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disadvantages of a light microscope and electron microscope? Some of the disadvantages of the light microscope include‚ that since it send light‚ the light waves are diffracted as they pass through the matter. Because of this‚ light microscopes can only produce clear images of objects to a magnification of about 1000 times. Another problem is that since most living cells are nearly transparent‚ you can’t see them. So you have to use dyes to stain them. The advantage of using a light microscope however
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Light pollution happened slowly at first which was several decades ago it was a process that was hardly noticeable. A light here‚ a light there‚ burning way into the dark nighttime realm‚ helping us see in the darkness when people all their our beds fast asleep. The process still continues today‚ with little thought ever given to what we are stealing away. Our intentions are good but our methods need adjustment‚ and they needs to be done immediately. In fact‚ our methods should have been changed
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In the movie “City Lights” and the short story “The Necklace” by Guy De Maupassant‚ they both share one common theme. The theme of both works are that‚ being yourself is more important than being something you’re not to impress other‚ since it will cause some problems. In “City Lights”‚ The Tramp; the main character in the story‚ wanted to impress and wanted to make her blind significant other feel happy. The Tramp gave the Blind Girl over $1000‚ for rent and her well-being. That money used was given
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How Light Affect Our Planet: Process Writing Thomas Tse October 31‚ 2012 Nowadays due to light pollution‚ it is hard to find a place in Hong Kong that can look at the stars clearly. It means that the light has disturbed our planet already; few types of animals can’t figure out that it’s morning or night. It affects the animal’s differentiation‚ communication and competition capacity. According to different problems‚ we must need to have some actions to help our society
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Benefits of LED Lighting * extremely energy efficient‚ consuming up to 90% less power than incandescent or halogen bulbs and up to 50% less than fluorescent or CFL. * less heat emission‚ therefore loading on air conditioners is reduced resulting in further electricity savings. * long life span thus reducing maintenance and lamp replacement costs and lower long-term operating costs. * environmentally friendly as they do not contain toxic mercury or any other hazardous materials. Secondly
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showed in his two most recognized films‚ City Lights and Limelight. City Lights was his most famous sound film done in a silent style and Limelight being his last sound film. Both these films encompassed the romantic comedy genre‚ yet still had their differences. Even though City Lights was a silent film‚ Chaplin was able to portray the story through his music and way of communicating through his comedic acting. “One of the underlying themes in City Lights is that society is blind to the virtues and
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4 Question 1 1 out of 1 points If you have a light source without a lense‚ such as a candle‚ the amount of light you would receive Selected Answer: decreases with distance Question 2 1 out of 1 points What would it require to have Superman’s X-ray vision? Selected Answer: all of the above Activity 5 Question 1 1 out of 1 points When looking at a bright incandescent light bulb (household bulb) what kind of a spectrum did you see through your spectrometer
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“Light of the World” by Brian McKenzie Fade IN: (1) EXT. ARCADIA NATIONAL PARK – DAY An older jeep type vehicle is driving on the winding road across the mountain ridges. We follow from a distance while the credits display in the lower left. The trees are lush and there is a summer breeze. (2) EXT. GAS STATION – LATE IN THE DAY The jeep arrives at the gas station‚ and 20 year old Mike steps out. He stops‚ adjust his hat and heads
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