PH 111 Wiki days:spring2014daybyday:spring2014day1:secondexploration2 http://sites.science.oregonstate.edu/physics/coursewikis/ph111/ 2020-01-26T02:40:10-08:00 PH 111 Wiki http://sites.science.oregonstate.edu/physics/coursewikis/ph111/ http://sites.science.oregonstate.edu/physics/coursewikis/ph111/lib/images/favicon.ico text/html 2015-01-14T20:11:39-08:00 days:spring2014daybyday:spring2014day1:secondexploration2:start http://sites.science.oregonstate.edu/physics/coursewikis/ph111/doku.php?id=days:spring2014daybyday:spring2014day1:secondexploration2:start&rev=1421295099 Exploring Light and Shadow Phenomena (Inside) At about 10:50 if have been exploring outside on a sunny day or at about 10:30 if it is raining: Place lamp with clear vertical bulb with long filament in front of white board covered with a piece of chart paper (chart paper disperses the light and prevents white board from acting like a mirror).