Physics 122 - LectureDate: 01/25/16

Questions?

Announcements/Reminders

Check the website for assignments, due dates and other announcements.

Written HW #01 – Due Friday, September 29

MP HW #01 – Due Friday, September 29, by 11:59 pm. (Course ID: GJ2016SPRING)

Reading assignment (check website) – Due Wednesday.

Last class:

* Refraction (Snell's Law)

* Dispersion

* Total Internal Reflection (TIR)

A laser beam passing from

medium 1 to medium 2 is

refracted as shown. Which

is true?

QuickCheck 23.4

Slide 23-53

A. n1 < n2.

B. n1 > n2.

C. There’s not enough

information to compare

n1 and n2.

QuickCheck 23.4

Slide 23-54

A laser beam passing from

medium 1 to medium 2 is

refracted as shown. Which is

true?

A. n1 < n2.

B. n1 > n2.

C. There’s not enough

information to compare

n1 and n2.

Today:

* Lenses (Chapter 33)

* Images formed by refraction

Lenses (Chapter 33)