## GBS Physics Resources

The Physics Classroom

# Henderson's Physics 163

### Thursday, April 24

Lesson Plan:

Organize: protractors, notebook

Intro to unit: without light, there is no sight; line of sight (to see anything, you must sight along a line at the thing); luminous vs. illuminated objects; importance of reflection

Lab - Reflection

Homework:

Read Chapter 17, Section 1 (through p. 459)

Suggestions:

Announcements/Important Info:

This is a good chance to get a fresh start on a new topic.

### Friday, April 25

Lesson Plan:

Discuss the Law of Reflection and associated vocabulary; practice with p. 460, #2, 4, 5 and Handout (ray tracing)

Definition of image: www.dictionary.com; demo with mirror and cylinders

Lab: Image Location

Homework:

Read Chapter 17, Section 1 (through p. 463)

WebAssign: start Chapter 17, Section 1 Homework

Suggestions:

Get started on your WebAssign; use the textbook readings as a guide in the completion of the assignment.

Announcements/Important Info:

WebAssign: Chapter 17, Section 1 is due on Wednesday, April 30.

### Monday, April 28

Lesson Plan:

Opening Question: review the law of reflection

Discuss image as the location where reflected light appears to come from; introduce the term virtual image; handout with 6 incident rays from one point

Ray diagramming - handout

Lab: Rough versus Smooth

Homework:

WebAssign: continue Chapter 17, Section 1 Homework

Suggestions:

Use the textbook readings as a guide in the completion of the WebAssign assignment.

Announcements/Important Info:

WebAssign: Chapter 17, Section 1 is due on Wednesday, April 30.

### Tuesday, April 29

Lesson Plan:

Opening Question: discuss diffuse versus specular reflection (def'n, diagrams, the law of reflection, image formation, applications); page 463, #8; handout question

Show Flickr.com image

Lab: What Portion?

Practice: Who can Abe see?

Homework:

WebAssign: finish Chapter 17, Section 1 Homework

Suggestions:

Try the GBS online resources - they can do you a load of good.

Announcements/Important Info:

WebAssign: Chapter 17, Section 1 is due on Wednesday, April 30.

### Wednesday, April 30

Lesson Plan:

Opening Question: What portion of the mirror is required to view one's image? Revisit ray diagramming. Wrap up plane mirrors

Start Curved mirrors: observations; anatomy lesson; three rules of reflection (demo); focal point demo (\$ demo); optical bench demos

Homework:

Read Chapter 17, Section 2 (through p. 466)

Suggestions:

Announcements/Important Info:

There is a pop quiz on Friday on the topic of plane mirrors (mostly) and curved mirrors (un poco)

### Thursday, May 1

Lesson Plan:

Review yesterday's introduction; emphasis on the image characteristics depend upon the object location

Lab: Finding Smiley

Handout: Ray Diagrams for Concave Mirrors

Homework:

Read Chapter 17, Section 2 (through p. 466)

WebAssign: start Chapter 17, Section 2A Homework

Suggestions:

Announcements/Important Info:

WebAssign: Chapter 17, Section 2A Homework is due on Monday

There is a pop quiz on Friday on the topic of plane mirrors (mostly) and curved mirrors (un poco)

### Friday, May 2

Lesson Plan:

Opening Question: Discuss object-image relationships (dependency of image characteristics upon object location)

Foo Ling Yu demo; practice using Handout

Mathematics of curved mirrors (pp. 467-469 and p. 473)

Pop Quiz

Homework:

Read Chapter 17, Section 2 (through p. 470)

WebAssign: finish Chapter 17, Section 2A Homework

Suggestions:

Do not procrastinate on your WebAssign assignments; "learn as we go through it; not after we go past it".

Announcements/Important Info:

WebAssign: Chapter 17, Section 2A Homework is due on Monday

### Monday, May 5

Lesson Plan:

Mathematics of mirrors: p. 469, #13, 15, 14, 16

Lab: Magnification Ratios

Homework:

Read Chapter 17, Section 2 (through p. 473)

WebAssign: start Chapter 17, Section 2B Homework

Suggestions:

Do not procrastinate on your WebAssign assignments; "learn as we go through it; not after we go past it".

Announcements/Important Info:

WebAssign: Chapter 17, Section 2B Homework is due on Wednesday

WebAssign: Chapter 17, Section 2C Homework is due on Thursday

### Tuesday, May 6

Lesson Plan:

Opening Question: Ray diagrams for M = -0.5 and M = -2.0 (on a grid)

Mathematics of curved mirrors: p. 472, #17, 21, 18

Ray Diagrams for Convex Mirrors (handout); see page 471

Homework:

Study Chapter 17, section 2

WebAssign: finish Chapter 17, Section 2B Homework

WebAssign: start Chapter 17, Section 2C Homework

Suggestions:

Do not procrastinate on your WebAssign assignments; "learn as we go through it; not after we go past it".

Announcements/Important Info:

WebAssign: Chapter 17, Section 2B Homework is due on Wednesday

WebAssign: Chapter 17, Section 2C Homework is due on Thursday

There is a pop quiz on Friday on all of Chapter 17; lab notebooks will be collected on Friday after the quiz

### Wednesday, May 7

Lesson Plan:

Spherical aberration - discuss cause and correction; demo; see page 467

Start Refraction with a lab; see Chapter 18 Lesson Plans

Homework:

WebAssign: finish Chapter 17, Section 2C Homework

Suggestions:

The topic of light has just made a slight shift of directions (no pun intended) today; seal your understanding of reflection and mirrors and prepare for a venture into refraction

Announcements/Important Info:

WebAssign: Chapter 17, Section 2C Homework is due on Thursday

There is a pop quiz on Friday on all of Chapter 17; lab notebooks will be collected on Friday after the quiz

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