news_040711

# news_040711 - Problem Q4B.2 using Î = hc p 2 mc 2 K(units...

This preview shows page 1. Sign up to view the full content.

Stuff for Thursday, April 7, 2011 Up front: turn in PS#3, take back 1094 sheet (PS#2 Friday) Stop at 4pm today for Quiz 2 on Q3/Q4 (no extra time!) 1094 follow-ups photoelectric effect: one photon per electron knocked out = K out = photon energy in - “ionization energy” interference from different length paths taken by waves lower speed = larger DeBroglie λ = more wave-like
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Problem Q4B.2: using Î» = hc / p 2 ( mc 2 ) K (units!) total diffraction when Î» > slit size diffraction around building (Huygenâ€™s + Babinetâ€™s principles) Formulas for Quiz 2 (i.e., these will be given): v = Î» f k = 2 Ï€ Î» Ï‰ = 2 Ï€ f d sin Î¸ nc = n Î» a sin Î¸ nd = n Î» Î» = h p Î» = hc p 2 ( mc 2 ) K E = hf = hc Î» = 1240 eV Â· nm Î» K = hf-W...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online