The spectrum of the salts under excitation of cathode rays is a short continuous one in the blue region. This experiment shows that the cathode rays are accompanied by a stream of negative electrification. Fig. 220 shows a Crookes tube fitted with a metal plate, so that the cathode rays coming from C will strike it.
The Art Institute of Philadelphia Tuition Summary How much is tuition at The Art Institute of Philadelphia? Tuition and fees at The Art Institute of Philadelphia are $17,916 USD without financial aid. With room, board, and other fees combined, total cost of attendance is $35,703 USD. Cost & Aid
The University of Pennsylvania is a private Ivy League institution with no connection to Pennsylvania State University. How much does it cost to attend Penn? Tuition and fees for the 2017-18 academic year are $53,534, room and board fees total $15,066. Visit the Student Registration & Financial Services website for more information on paying for a Penn education.