Chapter27

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Algebra-based Physics IINov. 7 th : Chap 27. 3-5• Thin-film interference• DiffractionReflection pattern from a soap filmAnnouncements:• HW9 is posted• 3 rd -exam: Nov. 15 -17Reflection pattern from a CD
Double slit interferencedS 1S 2θΔlθθPYd⎧mλConstructive⎪sinθ= ⎨ 1⎪ ( m + ) Destructive⎩ 2LScreen⎧ mλ⎪L bright⎪ dY = Ltanθ≈ Lsinθ=⎨ 1⎪ ( m + ) λL 2⎪dark⎩ d
Page 1 and 2: Algebra-based Physics IINov. 5 th :
Page 3 and 4: 27.1 The Principle of Linear Superp
Page 5 and 6: For interference to continue at som
Page 7 and 8: PAssume the screen is far away from
Page 9: ExampleIn a Young’s double-slit e
Page 13 and 14: 27.3 Thin Film InterferenceLight wa
Page 15 and 16: So a phase shift can occur upon ref
Page 17 and 18: ⇒λ vac=(2)(375 nm)(1.33)m +12=99
Page 19 and 20: 27.5 DiffractionDiffraction is the
Page 21 and 22: We get more diffraction for the sit
Page 23 and 24: But, farther up the screen from the
Page 25 and 26: We have light passing thru openings
Page 27 and 28: Here is an image of two objects tha
Page 29 and 30: 27.7 The Diffraction GratingWe see
Page 31: diffraction pattern of a grating
Page 34 and 35: Indeed, a diffraction pattern does

Chapter27

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