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.1. http://media.pearsoncmg.com/bc/aw_young_physics_11/pt1a/Media/Waves/StringMassStandingWaves/Main.html

2. , http://media.pearsoncmg.com/bc/aw_young_physics_11/pt2a/Media/GeometricOptics/1502TotReflect/Main.html

3. , http://media.pearsoncmg.com/bc/aw_young_physics_11/pt2a/Media/GeometricOptics/1509ThinLensRay/Main.html

4. http://media.pearsoncmg.com/bc/aw_young_physics_11/pt2a/Media/PhysicalOptics/1606SingSlitDiff/Main.html

5. http://media.pearsoncmg.com/bc/aw_young_physics_11/pt2a/Media/PhysicalOptics/1604GratingIntro/Main.html

6. , Malushttp://media.pearsoncmg.com/bc/aw_young_physics_11/pt2a/Media/PhysicalOptics/1609Polarization/Main.html

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