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Solutions for Exam I - Engineering Economics | PHYS 212, Exams of Physics

Idaho State University (ISU)Physics
Prof. D. Dale

Material Type: Exam; Professor: Dale; Class: ENGINEERING PHYSICS II; Subject: Physics; University: Idaho State University; Term: Unknown 1989;

Typology: Exams

Pre 2010

Uploaded on 09/02/2009

koofers-user-ex0
koofers-user-ex0 🇺🇸

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6, (25 points total.) Show the details of your calculations. Put a box around each final ‘answer | White light is incident normally on a soap film (index of refraction, n = 1 34) which is 120 nm thick. OP = TT b (sas nan 3y nel (a)(5 points) What is the relative phase shift between the two waves teflected off the air-soap interface versus the soap-air interface? BE nye att OOF reli tion (b)(20 points) What color(s) will the soap film appear to be? You can express your answer in terms of wavelength(s). Note: Visible lig ht spans the range of 400 to 700 nm. (This part will be graded looking for consistency with your answer for part (a). ay Qat , ie = SRaeh, at = (44) An 2 £e(o44) n ae mst 2 wi Ve ogee Te Sa eaten” This bee te y : ————___ m =o CNA =