Lab 11 Color done Vision (Fall 2021)

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School

Laredo College *

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115

Subject

Electrical Engineering

Date

Dec 6, 2023

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docx

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5

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Name: Lucero Puente INSTRUCTIONS: (1) Download this lab document and type out answers on the space provided for then save your answers. (2) If the spacing automatically moves, adjust so that your answers are not all over the place. (3) Upload this document, with your answers on it, on the designated Lab 11 Dropbox on Canvas Lab Reports/Module Tab. (4) If possible, ALL answers must be in green font or highlighted in yellow background with black font . Grading Policy for Lab Reports WITH Pre-/Post-lab Questions Grading Policy for Lab Reports WITHOUT Pre-/Post-lab Questions Completeness and accuracy of answers (with required screenshots) for the: 1. Warm-up and lab activities – 70% 2. Pre-/Post-lab questions – 10% 3. Conclusions and real-life applications – 20% Completeness and accuracy of answers (with required screenshots) for the: 1. Warm-up and lab activities – 80% 2. Conclusions & real-life applications – 20% This lab uses the Color Vision simulation from PhET Interactive Simulations at University of Colorado Boulder, under the CC-BY 4.0 license. Purposes/Objectives: In this lab, you will be able to: 1) describe the color of light that passes through different colored filters. 2) determine what color the person sees for various combinations of red, green, and blue light. Procedure: A. Develop your understanding: 1) Click the link below (hover mouse on the link then press at the same time: ctrl and left click ) https://phet.colorado.edu/sims/html/color-vision/latest/color-vision_en.html 2) Once Color Vision PhET Sim opens, your screen should look like the one below. Lab 11: Color Vision © 2020 by Orlando Patricio adapted from https://phet.colorado.edu/en/simulations/category/physics
3) Explore the Single Bulb and RGB Bulbs screens or tabs . The circular orange button at the bottom right corner of each tab is the Reset button. What did you discover? Write your answers below. Also, paste below screenshots to support your answers. B. Explain your understanding: 4) Open the Single Bulb screen or tab. Explore and develop your own ideas about how filters affect how we see light. Activate the filter glass by moving the slider to the right. The filter glass slider is located above the Filter Color on its left. You can also change the Filter Color by moving the slider back and forth. Describe below (some of) your explorations/experiments and your observations with captured image or screenshot from the simulation. To turn on light, click on the red button of the flashlight. She is only able to see color when it hits the green/yellow It all has to be in the same color In order for her to see color . Lab 11: Color Vision © 2020 by Orlando Patricio adapted from https://phet.colorado.edu/en/simulations/category/physics
5) In the image below, light is displayed as particles called photons . Using the PhET sim, the photons are activated by clicking the control panel just below the red flashlight switch . Research to find out what photons are and then explain in your own words why they can be useful for modeling light. (Cite references, as appropriate.) C. Demonstrate your understanding: 6) As you answer the questions below, explain also in your own words, why your answer makes sense and provide evidence from your #4 & #5 experiments/activities. Add more experiments/activities to #4 & #5, if you need better results or evidence. a) What colors of light would you see if you look through the filter with rose colored glasses? Activate the filter glass by moving the slider to the right. The filter glass slider is located above the Filter Color on its left. You can also change the Filter Color by moving the slider back and forth. Photons are basically tiny packets of energy. Many properties of light like diffraction of light required the use of wave theory She will start seeing color or slightly seeing color towards the end of blue beginning of purple Lab 11: Color Vision © 2020 by Orlando Patricio adapted from https://phet.colorado.edu/en/simulations/category/physics
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