Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83 v7 ucbtopaz-1.5; site ucbtopaz.CC.Berkeley.ARPA Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!eagle!harpo!decvax!ucbvax!ucbtopaz!bitmap From: bitmap@ucbtopaz.CC.Berkeley.ARPA Newsgroups: net.physics Subject: Planck's constant Message-ID: <406@ucbtopaz.CC.Berkeley.ARPA> Date: Fri, 2-Mar-84 23:28:16 EST Article-I.D.: ucbtopaz.406 Posted: Fri Mar 2 23:28:16 1984 Date-Received: Sun, 4-Mar-84 02:42:43 EST Organization: Univ. of Calif., Berkeley CA USA Lines: 9 A problem was posed about a month or so ago, about estimating Planck's constant given that one cannot get sunburned behind a glass window. O.K., I bite! All that I can guess is that there is an outer electron of the SiO2 molecule that has energy equal to -hf (f=frequency) for the low U.V. frequency. Is that it? Am I supposed to be able to estimate the outer electron energy level for that molecule? Help!