Sp07FinalPartASoln

# Sp07FinalPartASoln - Phys 222 Spring 2007 Final, Tue May 1,...

This preview shows pages 1–3. Sign up to view the full content.

Phys 222 Spring 2007 Final, Tue May 1, 7-9 pm Closed Book, Calculators allowed Part A is the third unit exam, Part B is comprehensive. Do both parts. Each question is worth one point, answer all questions Fill in your Last Name, Middle initial, First Name Your ID is the middle 9 digits on your ISU card. Please fill in your recitation section in special codes K to L For the H1 section please use section 18 At end of exam, please put exam writeup back in the folder, this allows you the chance to appeal the grading Best of luck with you future studies and careers Craig Ogilvie Start at Question 49 on Your Bubble Sheet

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
PART A: 3 rd Unit Exam 49. Unpolarized light of intensity I o is incident upon the first of two ideal polarizers. The second polarizer has its preferential direction at 60 o with respect to the first one. What is the final transmitted intensity? a. I o /8 b. I o /4 c. 3 I o /8 d. 3 I o /4 e. 3 I o /4 The intensity of light through the first polarizer is I 0 /2. Then the intensity through the second is I 0 /2 * cos 2 (60 o ) = I 0 /2 * ¼ = I 0 /8 50. You run toward a door mirror at 8 m/s. What is the speed of your image relative to you? a. 8 m/s
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 02/11/2012 for the course PHYSICS 222 taught by Professor Ogilvie during the Fall '05 term at Iowa State.

### Page1 / 6

Sp07FinalPartASoln - Phys 222 Spring 2007 Final, Tue May 1,...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online