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Purpose of this Minilab

Activity 1: Focal Length of a Lens. . . . . . . . . . . . Flashlight or table lamp at the end of classroom (long distancecompared to focal length).Light rays enter lens approximately parallel.. . . Screen or sheet ofpaper to see image.. . Lens. . f. Method 1:. Move sheet until image is in f

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Purpose of this Minilab

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Presentation Transcript

    1. Purpose of this Minilab Use lens formula to determine focal length of a lens. Learn about image magnification in magnifying glasses, microscopes, and telescopes.

    2. Activity 1: Focal Length of a Lens

    3. Activity 1: Focal Length of a Lens

    4. The Imaging Equation for Lenses

    5. Sign Rules For Lenses

    6. Virtual or Real Image?

    7. Activity 2: Magnification

    8. 2.2 Virtual image magnification (magnifying glass)

    9. Verifying this magnification of a magnifying glass

    10. What you should see ….

    11. Remarks to formula for magnifying glass….

    12. Activity 3: Microscope

    13. Microscope: Building Instructions

    14. Microscope: Building Instructions

    15. Microscope: Building Instructions

    16. Microscope: Building Instructions

    17. Microscope: Measuring the magnification

    18. Step 2: What you should see ….and measure

    19. Activity 3: Telescope

    20. Telescope: Building Instructions

    21. Telescope: Measuring the Magnification

    22. What you should see …

    23. Using the Desk Lamp

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