CHAPTER – 10 LIGHT-REFLECTION & REFRACTION Light is a form of energy‚ which enable us to see the object. In this chapter we will study the phenomena of reflection and refraction using the property of light i.e. straight line propagation (Light wave travel from one point to another‚ along a straight line). Reflection of Light When the light is allowed to fall on highly polished surface‚ such as mirror‚ most of the light gets reflected. normal Laws of Reflection 1. 2. The angle
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SCI115 Introduction to Biology Name: Julie Maxwell Frog Dissection Virtual lab (Week 9) Go to the following website for completion: http://www.mhhe.com/biosci/genbio/virtual_labs/BL_16/BL_16.html Instructions: Please follow the virtual dissection lab program systematically‚ following all of the directions provided verbally in the module. As you progress through the lab exercise‚ fill in this worksheet‚ answering the questions. Use as much space as you deem necessary to provide well written
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Quantitative Investigation of the Texture of a Hair Strand using Single-Slit Diffraction Stephen Flores1‚ Ailene Gonzales2 Department of Physics‚ University of San Carlos‚ Nasipit‚ Talamban‚ Cebu City 6000 1step.upflores@yahoo.com 2avg08_1s2 @yahoo.com Abstract This paper presents the utilization of the single slit-diffraction phenomena in analyzing the physical characteristics of a hair strand. Hair samples with various macroscopic textures were used as barriers to produce
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Radiation Protection & Radiobiology Notes Human Biology Human Response To Ionizing Radiation Early Effects of Radiation: When response occurs within minutes or days after exposure. Late Effects of Radiation: When response is not observed for many months or years after exposure. Effects of fetal irradiation: Death‚ malformation‚ malignancy‚ diminished growth. Composition of Human Body Cell Theory: 85% of the body is hydrogen and oxygen. Hydrogen: 60% Oxygen: 25.7% Carbon: 10.7% Nitrogen:
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to other. 2. Towards the anterior end it opens through a mouth but at the posterior end it opens through a cloacal aperture as undigested food and reproductive bodies both are removed side by side through this aperture. 3. It consists of the buccal cavity‚ pharynx‚ oesophagus‚ stomach and intestine. Buccal Cavity: 1. The alimentary canal starts with an aperture which is known as mouth opening. 2. Mouth leads into a wide and broad cavity called buccal cavity which lays in between
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‘Race’ is a term with many negative connotations‚ one can’t help but think of the conflicts and atrocities that have occurred throughout history as a result of racial classification. As a result race has been retired as a valid representation of human biological diversity. Far more common in lay persons day to day life‚ the term ethnicity has become prominent as a replacement ‘politically correct’ term for classifying an individual’s ancestry‚ migration status‚ nationality‚ citizenship‚ religion
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Chemistry in Photography Background A photograph is an image made by a photo-chemical reaction which records the impression of light on a surface coated with silver atoms. The reaction is possible due to the light-sensitive properties of silver halide crystals. Equation form for silver halides: Ag + + e - Ag Species produced include: Ag2+‚ Ag2o‚ Ag3+‚ Ag3o‚ Ag4+‚ Ag4o In 1556‚ the alchemist Fabricius was the first to discover that light can photochemically react with these crystals to
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Case Study S.L.Kirodia was engaged in the family business of trading in natural silk yarn in a large town of Eastern Uttar Pradesh. The town had lot of potential for silk yarn demand as they were plenty of weavers engaged in weaving sarees popularly known as “Banarsi Sarees’’. At the initial stage‚ the trading business of Kirodia’s father was not flourishing. However‚ after the death of his father‚ when S.L.Kirodia assumed the full-fledged responsibility of the business‚ he expanded it manifold
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The Hubble Space Telescope is a space telescope that was carried into orbit by a Space Shuttle in 1990 and remains in operation. A aperture telescope in low Earth orbit‚ Hubble’s four main instruments observe in the near ultraviolet‚ visible‚ and near infrared. The telescope is named after the astronomer Edwin Hubble. Hubble’s orbit outside the distortion of Earth’s atmosphere allows it to take extremely high-resolution images with almost no background light. Hubble’s Deep Field has recorded some
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when you are finished filming your friend doing a skateboard stunt‚ you can post it to YouTube in a flash. The still camera has been upgraded‚ too; from five megapixels to eight megapixels‚ which is a sixty percent increase in pixels. The larger aperture allows for better light flow‚ which dramatically increases the beauty of your photos. Face detection and on-the-go photo editing completes the experience. Clearly‚ the iPhone 4S “you-can’t-believe-it’s-on-a-phone” camera is completely different from
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