Content

  • Hyperphysics 
    • Sound Intensity
      http://hyperphysics.phy-astr.gsu.edu/hbase/sound/intens.html
    • Intro to decibels
      http://hyperphysics.phy-astr.gsu.edu/hbase/sound/db.html
    • Sound loudness definition and introduction
      http://hyperphysics.phy-astr.gsu.edu/hbase/sound/loud.html
  • Openstax - Energy in Waves: Intensity
    http://cnx.org/contents/Ax2o07Ul:wc-nPos4
  • Openstax has an entire chapter dedicated to the Physics of Hearing. 
    CH 17 Intro - http://cnx.org/contents/Ax2o07Ul:N3j76YvP
  • Boundless - Energy, Intensity, Frequency and Amplitude
    https://www.boundless.com/physics/textbooks/boundless-physics-textbook/waves-and-vibrations-15/wave-behavior-and-interaction-126/energy-intensity-frequency-and-amplitude-450-1130/
  • The Physics Classroom
    • ​Energy Transport and the Amplitude of a Wave
      http://www.physicsclassroom.com/class/waves/Lesson-2/Energy-Transport-and-the-Amplitude-of-a-Wave
    • Intensity and the Decibel Scale
      http://www.physicsclassroom.com/class/sound/Lesson-2/Intensity-and-the-Decibel-Scale

       
  • Sound, power and intensity in a short text
    http://hep.physics.indiana.edu/~rickv/Sound_intensity.html
  • Boston University - Sound Speed and Intensity
    http://physics.bu.edu/~duffy/py105/Sound.html
  • Information on sound intensity interaction with the human ear, contains calculus pretty heavily but it might be an interesting additional resource for some pre-med students.
    https://courses.physics.illinois.edu/phys406/lecture_notes/p406pom_lecture_notes/p406pom_lect5.pdf
  • Quiz with solutions, so nice group of worked out sound problems,
    http://www.unco.edu/nhs/physics/faculty/adams/Phys%20221/Quiz%203_solution.pdf
  • Worksheet with lots of problems
    https://www.andrews.edu/~rwright/physics/worksheets/Physics%2007-04%20Sound%20Intensity%20and%20Sound%20Level.pdf
  • Conceptual source with lots of information and a table of examples of real world wounds with their respective decibel levels
    https://www.nde-ed.org/EducationResources/HighSchool/Sound/components.htm

 Videos

  • Doc Schuster sound intensity & energy ~10 mins
    https://www.youtube.com/watch?v=R5rkg8mTRBI
  • ilectureonline sound intensity & energy ~5 mins
    https://www.youtube.com/watch?v=xzeYV3k63ns
  • ilectureonline sound at a distance ~5 mins
    https://www.youtube.com/watch?v=GvDi8vbFis0
  • ilectureonline sound at a distance example problem ~3 mins
    https://www.youtube.com/watch?v=shnaAp498OU
  • ilectureonline on the decibel scale ~6 mins
    https://www.youtube.com/watch?v=22b23RYpNNg
  • ilectureonline converting watts per square meter to dB
    https://www.youtube.com/watch?v=h5HIsz1RmH8
  • ilectureonline on doubling sound intensity
    https://www.youtube.com/watch?v=fdnkduxODyA
  • Khan academny: Decibel Scale ~ 10 mins
    https://www.youtube.com/watch?v=_p-WyPg1sbU

 

-- Simulations --

 

  • https://phet.colorado.edu/en/simulation/sound
    • sound intensity phet
  • http://www.iknowthat.com/ScienceIllustrations/sound/science_desk.swf
    • Different size wine glasses with difference frequencies
  • http://www.cabrillo.edu/~jmccullough/Applets/Flash/Fluids,%20Oscillations%20and%20Waves/PressureDisplacement.swf
    • How sound travels through air. Shows a 1D and 2D graph side by side. 
  • http://physics.bu.edu/~duffy/HTML5/longitudinalwave.html
    • Pretty cool longitudinal wave sim