the prism‚ it is refracted‚ which in scientific terms means that the light is deviated from its original path. At the point of refraction‚ the white light is separated into the 7 different color components that make up white light: red‚ orange‚ yellow‚ green‚ blue‚ indigo‚ and violet. This separation‚ also know as the dispersion of light‚ occurs because the angle of refraction for each color is different when passing through the transparent
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index or index of refraction n of a substance (optical medium) is a dimensionless number that describes how light‚ or any other radiation‚ propagates through that medium. It is defined as ‚ Where‚ where c is the speed of light in vacuum v is the speed of light in the substance example‚ the refractive index of water is 1.33‚ meaning that light travels 1.33 times as fast in vacuum as it does in water The historically first occurrence of the refractive index was in Snell’s law of refraction‚ n1sinθ1= n2sinθ2
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the angle of incidence of white light has on the angle of refraction from one transparent medium to another. Introduction: Snell’s law state: When light passes from one transparent medium to another the rays of light refract (bend). Snell’s law (Law of Refraction) states that: n*=sinⅈsinr=n2n1=V1V2 for the purpose of this experiment we will be proving that: sinⅈsinr=n2n1 or n1sinⅈ=n2sinr where n1 and i are the index of refraction and angle with the normal to the surface for the incident
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Project: Practical Investigation Aslam Khan‚ Keenan Wong and Jinhyuk Yeh 2013 Aim: To verify Snell’s Law and find the relationship between angle of incidence and the angle of refraction‚ for monochromatic light passing from air into Perspex. Hypothesis: As the angle of incidence increases so will the angle of refraction (directly proportional). Apparatus: * Laser (Monochromatic light) * Rectangular Perspex * Ruler * Pencil * Paper * Protractor * Calculator Method:
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Refraction and Snell’s Law When an ultrasonic wave passes through an interface between two materials at an oblique angle‚ and the materials have different indices of refraction‚ both reflected and refracted waves are produced. This also occurs with light‚ which is why objects seen across an interface appear to be shifted relative to where they really are. For example‚ if you look straight down at an object at the bottom of a glass of water‚ it looks closer than it really is. A good way
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the headland from further wave erosion and to ensure the pedestrian pathway stayed open for access to the headland. The wall is ____________metres long and was built in _________. * Processes affected: The main processes affected are wave refraction‚ wave erosion and coastal transportation. The waves refract around the headland and attack the sides of the headland. Because of the sea wall the waves can no longer attack the side of the Otakimiro Headland. This means the waves no longer erode
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When we are trying to understand something‚ we sometimes rely on our senses and use reason to seek for the truth. We also use intuition to discover unknown things. As environment and culture may affect people’s way of thinking‚ people from different backgrounds may interpret things differently. People from the same background can even have different personal experiences‚ which also affect people’s understanding of the surroundings. No two people have exactly the same idea and we try to understand
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Dispersion: The speed of light is slower in various materials than it is in a vacuum or outer space. When the light passes into a material at an angle‚ the light beam is bent or refracted according to Snell’s Law and the index of refraction of the material. But also‚ the speed of light through a material varies slightly with the wavelength or frequency of the light. Thus‚ each wavelength is refracted at a slightly different angle when passing through a material at an angle. This spreading out of
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Where did it go? The phenomenon in this situation is called Mirage‚ and it doesn’t happen very often in the nature. Usually this phenomenon is caused by refraction and the vary density of the air. As we learned in the lecture‚ refraction is the light bending when it travels through different index of material. The good example for the refraction is the straw in the glass of water; the straw looks broken in the water. The different index of air and water makes the light bending and it reflects
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refractive index) this gives 200‚000‚000m/s. My variables are the wavelength‚ the glass rectangle‚ lasers‚ angle of incidence and angle of refraction‚ protractor and the distance between the laser and the glass rectangle (beam divergence). My independent variable is the wavelength which I am going to control. My dependent variable is the angle of refraction and angle of incidence. My controlled variable is‚ the glass rectangle‚ the protractor and the lasers‚ also the distance between the laser and
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