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HW3problem_pdf

# HW3problem_pdf - luu(nml299 HW03 markert(58710 This...

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luu (nml299) – HW03 – markert – (58710) 1 This print-out should have 18 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Will the light from two very close stars pro- duce an interference pattern? 1. Yes; strong light from the two stars cre- ates very clear interference patterns. 2. No; light from two very close stars is not likely to have the same frequency. 3. Yes; if they are very close to each other, the light has large overlapping area. 4. No; the light is too strong to produce a discernable interference pattern. 002 10.0 points Diffraction is most noticeable when 1. d λ → ∞ . 2. λ = d. 3. d λ 0 . 4. λ << d. 5. λ d 0 . 003 10.0 points Light falls on two slits spaced 0.395 mm apart. The angle between the first dark fringe and the central maximum is 0 . 0863 . What is the wavelength of the light? An- swer in units of nm. 004 (part 1 of 3) 10.0 points In an arrangement to demonstrate double-slit interference, λ = 388 nm, θ = 0 . 840 , and d = 0 . 150 mm. For light from the two slits interfering at this angle, what is the path difference in mil- limeters? Answer in units of mm. 005 (part 2 of 3) 10.0 points The path difference represents how many wavelengths? 006 (part 3 of 3) 10.0 points Will the interference correspond to a maxi- mum, a minimum, or an intermediate condi- tion?

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