# ps09 - Physics 2214 Problem Set #9 (Due 11:15 am, Thursday...

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Page 1 of 2 Physics 2214 Problem Set #9 (Due 11:15 am, Thursday 11/13/07) 1. YF 36.6. 2. YF 36.27. Add: (b) Under ideal conditions, what is the total number of bright bands that can be observed for –90º θ 90º? (Do not count the “missing” bright bands.) 3. YF 36.32. 4. YF36.59. 5. You have a slide with several sets of double slits with different slit separations ( d ) and widths ( a ). By illuminating them with a laser, you observe their interference patterns. (a) Describe what you would look for in the patterns to identify the slits with the largest slit separation (largest d ). (b) Describe what you would look for in the patterns to identify the slits with the largest slit width (largest a ). [Hint: Use the “Double Slit Experiment” applet (under External Links on Blackboard) to help you answer these questions or to check your answers.] 6. Four radio towers are emitting radio waves with equal average power. The wavelength is λ .

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## This note was uploaded on 12/24/2008 for the course PHYS 2214 taught by Professor Giambattista,a during the Fall '07 term at Cornell.

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ps09 - Physics 2214 Problem Set #9 (Due 11:15 am, Thursday...

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