Lens defects - PowerPoint PPT Presentation

Properties of Waves

Properties of Waves. Refraction of Light and Sound Waves. Refraction. When light bends in going obliquely from one medium to another, we call this process refraction. Refraction. Refraction occurs to minimize the time taken by light to travel from A to B.

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Physics 102-002 Announcements

Physics 102-002 Announcements. WebAssign – No Chapter 26 Homework Chapter 28 due next Wednesday Exam 3 Corrections due This Wed, Apr 25 Final Exam May 7, 5:30-7:30, in regular classroom. Picture: Image of diffraction of the beam of a Helium-Neon laser when passed through a single slit.

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