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Understanding Lens Focal Length and Magnification in Optics Minilab Activities

This minilab focuses on the principles of lens optics, aiming to determine the focal length using lens formulas. Students will explore image magnification concepts through practical activities involving magnifying glasses, microscopes, and telescopes. Key activities include calculating focal length, analyzing real and virtual images, and constructing optical devices. Participants will also learn how to measure magnification for each device and verify their findings, enhancing their understanding of how lenses work in various applications.

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Understanding Lens Focal Length and Magnification in Optics Minilab Activities

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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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