Stanford PHYSICS 108 - Convex Lens Focal Length 2

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Certainly Here s an elaboration on the provided paragraph Convex Lens Focal Length Experiment and Theory Diagrams for Object Positions Six Different Scenarios Understanding how objects interact with convex lenses is crucial in optics Six different scenarios are illustrated to demonstrate the varying positions of an object relative to the convex lens 1 Diagram 1 Object placed beyond the focal length 2 Diagram 2 Object placed at the focal length 3 Diagram 3 Object placed between the focal length and half of the focal length 4 Diagram 4 Object placed at half of the focal length 5 Diagram 5 Object placed between the optical center and half of the focal length 6 Diagram 6 Object placed at the optical center Convex Lens Focal Length Experiment Conducting an experiment to measure the focal length involves several steps Set up the convex lens and an object such as a small lightbulb on a stable surface Record distances between the object and the lens as well as between the image and the lens Observe the formed image using a screen Repeat the experiment adjusting the object s position and recording corresponding distances Convex Lens Focal Length Theory Understanding the theoretical background is essential The focal length of a convex lens is the distance from the lens center to the focal point where parallel light rays converge Different object positions lead to distinct image formations 1 Object placed beyond the focal length Real inverted image forms 2 Object placed at the focal length No image forms 3 Object placed between the focal length and half of the focal length Virtual upright image forms 4 Object placed at half of the focal length Image forms at the same distance as the object 5 Object placed between the optical center and half of the focal length Virtual upright image forms 6 Object placed at the optical center No image forms Final Focal Length Determination 20 cm After thorough experimentation and data analysis the focal length of the convex lens is determined to be 20 cm This determination provides valuable insight into the optical properties of the lens facilitating further understanding and application in various optical systems


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Stanford PHYSICS 108 - Convex Lens Focal Length 2

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