1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Short answer questions on Solid state physics

  1. Jan 27, 2009 #1
    1. Platinum is silver and shiny. Why?
    2. Aluminum oxide can be either transparent, red or blue. How?
    3. Quartz is transparent. Why?
     
  2. jcsd
  3. Jan 27, 2009 #2

    berkeman

    User Avatar

    Staff: Mentor

    Welcome to the PF. You must show your own attempt at answering these homework/coursework questions before we can provide any tutorial assistance -- that's in the PF Rules link at the top of the page.

    So what are your answers?
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook