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Chapter 38

Chapter 38. Diffraction Patterns EXAMPLES. Chapter 38: Diffraction Patterns and Polarization: Examples. Example 38.1 Where Are the Dark Fringes?. Light with  = 580 nm reaches a slit with a = 0.3 mm. The viewing screen is at 2.0 m from the slit. Find:

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Chapter 38

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  1. Chapter 38 Diffraction Patterns EXAMPLES

  2. Chapter 38: Diffraction Patterns and Polarization: Examples

  3. Example 38.1 Where Are the Dark Fringes? • Light with  = 580 nm reaches a slit with a = 0.3 mm. The viewing screen is at 2.0 m from the slit. Find: • A) The position of the first dark fringes • B) The width of the central bright fringe

  4. Example 38.2 Eye Resolution (A). Estimate min for the human eye. Using a light of 500 nm and the daytime average diameter for a human pupil of 2.0 mm (B). Determine the minimum separation distance d between two point sources that the aye can distinguish if the point sources are a distance L = 25cm from the observer.

  5. Example 38.3 Telescope Resolution • The Keck telescope at Mauna Kea, Hawaii, has an affective diameter of 10 m. Find the resolution min for 600-nm light

  6. Material for the 2nd Midterm • Material from the book to Study!!! • Objective Questions: 4-5 • Conceptual Questions: 1-2 • Problems: 2-8-9-11-14-17-19

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