Instagram. But it hasn’t been forever that someone was able to capture their favorite moments in a photo. The early camera was not much more than a pinhole camera as early as 1558. It was called the Camera Obscura. The Camera Obscura was seen as a drawing tool for objects. An image of a subject on paper was "projected" and could be used to draw‚ trace or paint it. The Camera Obscura provided an image that was temporary‚ and could not be lastingly captured on to paper for later. Around 1822 French
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Angle of Incidence vs. Angle of Reflection October 23‚ 2011 by alison12 · No Comments · Uncategorized Angle of Incidence vs. Angle of Reflection Background Information: Reflection is the change of direction of light. The angle a light ray makes is the same after reflection occurs as it is before reflection occurs. Reflection is the image seen when looking into a mirror‚ still water‚ or a polished surface. The reflected image seen will be the same as the object which is being reflected. Aim:
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When would degree measure be appropriate? ● When would radians be a better choice? ● What are the pros and cons of each? Degrees are a form of measuring an angles rotation. The radian measure is the angle that is at the center of the circle. It is also equal to the ratio of the length of the enclosed arc to the length of the circle’s radius. Angles can be measured in both radians and degrees. Radians require a lot more mathematical work in comparison to using degrees. Be sure to follow the guidelines and safety precautions
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dependence‚ of the angle of deviation on the angle of incidence‚ using a hollow prism filled one by one with different transparent fluids. APPARATUS REQUIRED: Drawing board White sheets of paper Hollow prism Different liquids(water‚ kerosene‚ oil‚ spirit etc.) Drawing pins Pencil Half meter scale Thumb pins Graph papers A protractor INTRODUCTION: In optics‚ a prism is a transparent optical element with flat‚ polished surfaces that refract light. The exact angles between the surfaces
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toadvent of nanotechnology we have realized it to a certain level. One such productmanufactured is PILL CAMERA‚ which is used for the treatment of cancer‚ ulcer andanemia. It has made revolution in the field of medicine. At that time manufacturing atmolecular and atomic level was laughed .But due to advent of nanotechnology wehave realized it to a certain level. One such product manufactured is PILL CAMERA‚which is used for the treatment of cancer‚ ulcer and anemia. It has made revolution inthe field of
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Class IX (Term 2) 8. QUADRILATERALS IMPORTANT TERMS‚ DEFINITIONS AND RESULTS l l Sum of the angles of a quadrilateral is 360°. A diagonal of a parallelogram divides it into two congruent triangles. In a parallelogram‚ (i) opposite sides are equal (ii) opposite angles are equal (iii) diagonals bisect each other A quadrilateral is a parallelogram‚ if (i) opposite sides are equal or (ii) opposite angles are equal or (iii) diagonals bisect each other or (iv) a pair of opposite sides is equal and parallel
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making music using different kinds of raw materials‚ dancing. As the years pass by and the discovery and growth of technology has rapidly booming‚ the industry of film or motion picture was born. It was late 1880’s with the invention of the first movie camera. Motion pictures were initially exhibited as a carnival novelty and developed to one of the most important tools of communication‚ entertainment and mass media. The first machine patented in the United States that showed animated pictures or movies
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the motion of the sun and the shadow an object creates as a measurement of time. In this experiment‚ we would better understand how these factors were used to tell the time back then. We would be indentifying the length of the shadow as well as the angle of elevation of the sun at four different times of the day. To get more accurate results‚ we would be using an object with a fixed height -in this case a bamboo stick 2.84m long. Time: 9:30am tan = oppositeadjacent tan = 2.84 m2
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w w Name ap eP m e tr .X Candidate Number w Centre Number 0625/06 PHYSICS Paper 6 Alternative to Practical May/June 2003 1 hour Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen in the spaces provided on the Question Paper. You may use a soft pencil for any diagrams‚ graphs or rough
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Jordan Pye 8-12-11 Angle of Repose Written by Wallace Stegner‚ Angle of Repose won the Pulitzer Prize in 1972. Based on the letters written by Mary Hallcock Foote‚ the inspiration to Stengner’s character‚ Susan Ward‚ Stegner writes about a man‚ Lyman Ward‚ who has developed a bone crippling disease and has become dependent on others to assist him on his mission to discover his grandmother’s journey to Grass Valley. To accomplish this‚ Lyman went through a vast amount of letters and placed
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