Exam Results10 15 20 25 30012345Y Axis TitleX Axis Title CountTest ResultsAvg. 19.8/40NOW out of 34, MC 3, 8, and Part 3c now Extra creditWhere have you seen these topics?MC #1 Lectures 27-31MC #2 Lecture 29, EXAM I, HW 8MC #3-4 Lecture 22-23MC#5 Lecture 25, HW 7MC#6 Lecture 21, HW 6MC#7 Lecture 21 HW 6MC#8-9 Lecture 26 HW 7MC#10 Lecture 21-23 HW 6Question 1, In-class Sample Problem (fiber optic cable)Question 2, In-class laser demonstration (twice) + LabQuestion 3, Homework and in-class. The only part that you haven’t seen is part c.MC #1 14/23 correctWhich of the following is NOT circular polarization?ˆ ˆ) 5sin(cos()5t i t jz kzkω ω+ −−( ) ( /2)ˆ ˆi kz t i kz te ei jω ω π− − ++22i 1 0 10 1i − 1 00 0ii − Lectures 27-31MC 2# 9/23no=1.5 ne=1.52 how thick is the sample such that it acts as a half waveplate?Lecture 29, EXAM I, HW 8MC #3, 2/23 (extra credit)You have a 5mm thick glass plate with a coefficient of finesse equal to 25. What are the reflectivity of the faces?MC #4 (11/23)What is the resolving power of the etalon near 500nm?MC #5 (11/23)What is the diameter of an incident 500nm laser beam that focuses to a spot of 30um with a f=10cm lens?MC #6 (10/23)What is the coherence time of the light source with the following interference pattern?MC #7 (5/23)A ruby laser (694nm) and a HeNe laser (632nm) are co-propagating,What is the function of the light intensity?52 6 15 2 14sin si(9.5 10 2.85 10 ) (4.45 10 1.335 10 )nx z x t x z x t− −56 15 14sin si(9.5 10 2.85 10 ) (4.45 10 1.335 10 )nx z x t x z x t− −2 6 15 2 16 5sin s(9.05 10 2.72 10 ) (9.in95 10 2.99 10 )x z x t x z x t− −6 15 156sin s(9.05 10 2.72 10 ) (9.in95 10 2.99 10 )x z x t x z x t− −ZeroMC #8 (3/23, Extra credit)What is the Littrow angle for a 1200l/mm grating and 800 nm light?MC #9 (7/23)What is the width of the grating if we desire a spectral resolution of .01nm In the first order diffraction?MC #10 (15/23)Two radio antennas are separated by 10m, if they are broad castingIn phase at 100MHz where is the first interference fringe.Question #2 (6.1/10)Question #3 (5.1/6
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