Report 9

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Florida Atlantic University *

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4043

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Physics

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Apr 3, 2024

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Uploaded by EarlStrawOstrich32

Experiment 9: Student name: Malik Robinson Pre-lab section: 1) Introduction: Explain the theory behind this experiment in a paragraph between 150 and 250 words. (2 Points) Suppose you are using external resources; include the reference. It would be best if you had any relevant formulas and explanations of each term. You may use the rich formula tools embedded here. The theory behind this experiment is that most objects reflect at a certain portion of the light falling on them. That for ray of light is incident on a flat surface the angle of incidence Theta A is the angle that the incident ray makes with the respect to the surface normal, align drawn perpendicular to the surface at the point of incidence. The angle of reflection Theta R is the angle that the reflected ray makes with the surface normal. The law of reflection describes the behavior of the incident and reflected race. Law of reflection is the incident ray the reflected ray and the surface normal all lie on the same plane, called the plane of incidence and the angle of reflection Theta R equals the angle of incidence Theta a.Theta a equals Theta R. Snells law states that nA sin Theta a equals nB sin Theta B. Total internal reflection one light passes from a medium of large refractive index like water the air the refracted ray bends away from the surface normal. As the angle of incidence increases the angle of refraction also increases. When the angle of incidence reaches a certain value called the crit angle theta c the angle of refraction is 90 degrees. When the angle of the incidence exceeds the crit angle there is no refracted light. 2) Hypothesis: In an If /Then statement, highlight the purpose of the experiment. (1 point) For instance: If two same shape objects with different masses are dropped from the same height, they will hit the ground simultaneously. If the angle of incidents reaches a specific value then the angle will be 90 degrees. Post-lab section: 3) Attach an image of your signed data sheet here. (4 Points) This should include tables 6, 7, and 8, as well

4) Attach your analysis here, including any table, chart, or plot image. (5 points) This should include the following: Table 1: 2 points

Table 2: 1 point Table 3: 1 point Table 4: 1 point

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5) Attach the image of samples of your calculation here. (1 point)

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6) In a paragraph between 100 and 150 words, explain what you Learn. What conclusion can you draw from the results of this lab assignment? (2 points) What I learned from this experiment is that most objects reflect a certain portion of the light falling on them. The incident ray reflected ray and the surface normal all lie on the same plane called the plane of incidence and the angle of refraction equals the angle of incidence. When light travels from a material with refractive index into a material with refractive index N B the refracted ray the incident rate and the surface normal to the surface between the materials all lie in the same plane. When light passes from a medium of large refractive index into one of a small refractive index like water to air the refracted ray bends away from the surface normal. 7) In one sentence, compare the results of the experiment with your Hypothesis. Why? (1 point) my hypothesis was correct because once the angle of incidence reached a certain value than the crit angle of refraction was 90 degrees. 8) Attach your response to the questions in the lab manual here. (4 points) Question 1: 0.5 point Question 2: 0.5 point Question 3: 0.5 point Question 4: 0.5 point Question 5: 1.5 point Question 6: 1 point

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