Science
Diablo Valley College Physics Demo for Light Article Paper

Diablo Valley College

Question Description

  1. Include a screen shot with the results from Step 1 and Step 2.
  2. In your own words, explain how the photon went through the slit and then hit the screen.
  3. What are some similarities you notice about the two results?
  4. What are some differences you notice about the two results?

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Today we will be exploring the behavior of light and how it behaves as both a particle and a wave. To do this, we will be using an online simulation to see how light behaves. Visit: https://phet.colorado.edu/en/simulation/legacy/quantum-wave-interference Then download start the simulation. - This must be done via Google Chrome, and you will need a Java player. After you download a popup will appear with “Keep” and “Discard”, you will need to Keep the file to use it. A Java pop out, like that above, will appear. You may need to click the download in the download bar for it to open. We will be using the “single particles” part of this simulation. The gun shoots a single photon at a time. To get anything interesting in a reasonable amount of time, turn on “Rapid”. A photon (light particle) is shot from the gun, then hits a screen in the back. Where there are more spots on the screen, this is a higher intensity. Image of interface – Your interface should look like the above. Choose a color (light wave color), but once you chose you cannot change it for Steps 1 and 2. Step 1 – No slits Allow the simulation to run for a minimum of one minute. I would recommend timing it, as you will need the same amount of time for Step 2. Pause the gun, then click “copy screen” and move it to the side. We are going to want to compare this to Step 2, so do not remove it. Step 2 – the double slit experiment Reset the simulation. Click the “Double Slits” button. You do not need to change the settings, but you can if you want to. Run the simulation for the same amount of time as Step 1. Once this is done, click “copy screen” and move it below the result from Step 1. Step 3 – Answer the questions 1. 2. 3. 4. Include a screen shot with the results from Step 1 and Step 2. In your own words, explain how the photon went through the slit and then hit the screen. What are some similarities you notice about the two results? What are some differences you notice about the two results? Step 4 Go back and do Steps 1 – 2 with a new color. I recommend keeping the copied images from Step 1 and 2 for the first color. Try to pick a color that is pretty different. For example, do not choose two shades of blue, but go yellow and purple. Step 5 1. Include a screen shot with the results from Step 1 and Step 2 for the new color. 2. What are some similarities you notice about the two colors? 3. What are some differences you notice about the two colors? ...
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Final Answer

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Running head: ARTICLE ASSIGNMENT

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ARTICLE ASSIGNMENT
Article Assignment 3
Question 1

The magnetic field around the earth is a stationary field constantly working on the human
body. The magnetic field around the earth has been changing over time, and the angles of this
field are also believed to be fluctuating. It is confident to accept that the changes experienced in
the magnetic field around the earth are reducing in power, and this can be said to be the reason
for disorders in the human body. The earth's magnetic field acting on the human body has...

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