The wavelength of light used in each experiment is

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Unformatted text preview: nt patterns are produced on a screen 2 m from the apparatus. The wavelength of light used in each experiment is different and the scales on the diagrams are also different. Experiment “A” produces a 0.22 m wide bright yellow band (λ = 550 nm) which is twice as wide as other bright bands. Experiment “B” produce bright and dark equally-spaced red bands (λ = 750 nm) which are separated by 0.025 m. Experiment “C” produce a very bright blue bands (λ = 450 nm) separated by 0.018 m with duller bright bands in the intervening regions. The bands are created at “small” angles. (a) [2 points]: Identify which of the three experiments was conducted using a double slit. (b) [5 points]: Calculate the separation between slits Page 6 of 7 UIC PHYSICS 105 Spring 2012 Practice Exam 3 (c) [2 points]: Identify which of the three experiments was conducted using a single slit. (d) [5 points]: Calculate the width of the slit (e) [2 points]: Identify which of the three experiments was conducted using a diffraction grating. (f) [4 points]: Calculate the separation between slits in this case Page 7 of 7...
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