• In the beginning there was nothing, which exploded.
    -Terry Pratchett
  • Learn from yesterday, live for today, hope for tomorrow. The important thing is to not stop questioning.
    -Albert Einstein
  • Try not to become a man of success, but rather try to become a man of value.
    -Albert Einstein
  • Testing Quote Field
    -Testing Quote Author
  • Photons have mass? I didn’t even know they were Catholic.
    -Woody Allen

Welcome

Welcome to the web site of the Physics Instructional Resource Team (PIRT) at Arizona State University. The PIRT is pleased to present you many ways in which we accomplish our mission “Focused on Excellence” in Physics Education. We are inviting you to explore our lecture demonstration and media collection catalogs through this website as well as information and web resources on physics pedagogy. If you would like to order the demonstration for the lecture, please, log in. It is our intention to expand this web site by adding a catalog of our laboratory experiment collection. Get to know us and let us know how we can help.

Lecture Demonstrations

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Laboratory Activities

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  • Speed of Sound

    To determine the speed of sound waves in air using the resonating air columns.
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  • Demo Lab
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  • Radioactive Decay and Half-Life of Silver

    To determine the half-lives of two silver isotopes Ag108 and Ag110 produced in Plutonium-Beryllium howitzer.
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  • Radioactivity and Stopping of Nuclear Radiation

     To investigate the attenuation of gamma radiation by lead and the attenuation of beta radiation by polyethylene. To find the mass attenuation constants for both materials. To observe the penetrating properties of alpha radiation.
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  • Nuclear Radiation

    To investigate the dependence of intensity of gamma radiation (Co-60) upon the distance from the source. To check the behavior of gamma radiation as a function of a thickness of lead attenuater.
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Browse Lab Activities

Credits - Thanks to the Education Group (P.O. Box 1667-90069, Los Angeles, CA, 90069, 310-276-1122,physics@edgroup.org; www.physicsdemos.com)for generously granting permission to include a single copyrighted image from each of the 600 demonstrations in the Video Encyclopedia of Physics Demonstrations on this site. This support of the physics education community is greatly appreciated.