o  Course homepage, Ongoing Lectures, TT-system 

• Instructor’s weekly informal sessions:

Tu 3:30-4:20, RAS 213 ; Fri 4-5, RLM 5.104

• Midterm 4: Th (5/1), 7pm (be there by ~6:50pm), Belmont 328.

Lec. 43 Review unit 4 (con’d) : Some nuances in wave (physical) optics and STR

o Chapter 35: Wave optics.

· Thin film and Lloyd’s mirror. (PQ p304)

· Double slits (PQ p305, p306), Multiple slits (PQ p308)

· Single slit finite width: Phasor diagram

· Double slits finite width. (Text p1195, Fig 35.38)

o Chapter 36 Special theory of relativity:

· Supplementary course summary for STR: See web postings, the test-version will be distributed during midterm4 and the final exam.

· Doppler shift the moving detector case vs the moving emitter case.

§ Moving emitter with stationary detector

§ Moving detector with stationary emitter

o Implication from “the principle of relativity”

o Working out step by step

Reminders:

• Schedule for the remainder of the semester:
• Today: More discussions on unit 4. Course instructor Survey
• Fri: Review for the final.
• Monday (May 5): 12-1pm (RLM5.104). Review for the final.
• Friday (May 9) 12:15 to 1:15 Q & A session (RLM5.104)
• This week is the time to finalize TT-records of the semester. It is each student’s responsibility to check his/her TT-record carefully. Let me or Fung know your concerns.
• If you have earned a gp-status except for the after-drop iq-scores, you may still qualify for the gp-status, if you have attended over 80% of the classes. Please read the firstday handout paragraph: 8-4-b for details. You need to contact Fung to request an audit on your classnotes.
• Monday (May 5) 5pm is the deadline for complaints on your pre-final exam TT-record and classnotes audit. Complaints and request for classnotes audit will not be accepted beyond this deadline.