lecture27 - 7. Spherical mirror 1) Mirror equation C d i d...

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Unformatted text preview: 7. Spherical mirror 1) Mirror equation C d i d o h α β φ θ θ ⇒ = + + = + = φ β α θ φ β θ α φ 2 R h d h d h i ≈ ≈ ≈ ⇒ < < φ β α α ; ; 1 R d d i 2 1 1 = + f R d d f R d d i o o i = → ⇒ ∞ → = → ⇒ ∞ → 2 if 2 if f d d i 1 1 1 = + focus 2- = f R f Example: ? . 3 . 1- = = i o d m d m R m m d m m m d R d i i 6 . . 5 . 3 . 3 . 5 . 3 1 . 1 2 1 2 1 = = =- =- = 2) Magnification C o i o i d d h h m- = ≡ d i d o image erect - if image inverted- if < m m Example: What is magnification in the previous example? 2 . . 3 6 .- =- =- = m m d d m o i This image is real, inverted, and 5 times smaller than the object 3) Graphical method 4) Image and object at various distances C F C F f d d i 1 1 1 = + focus 2- = f R f o i o i d d h h m- = ≡ R d R d f d d i o i o → ⇔ → → ⇔ ∞ → 1 ; ; 1 ; ; ≥ < ≤ < ⇔ ≥ ∞ ≤ < ≤ < ⇔ ≥ ∞ m m R d f R d m m R d f R d i i o ; 1 1 1 < < ⇒ ⇒ < i i o o d d f d f d 0! f 1 ; ≤ ≤-∞ ⇒ ≥ ≥ m d d...
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This note was uploaded on 02/11/2012 for the course PHYSICS 222 taught by Professor Ogilvie during the Fall '05 term at Iowa State.

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lecture27 - 7. Spherical mirror 1) Mirror equation C d i d...

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