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Draw ray diagrams for a double concave lens of focal length 4 cm, when objects are<br />placed at 3 cm - Brainly.in
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Comparison of Lenses for Solar Heating, Double-Convex, Plano-Convex, Double Concave, Plano-Concave - YouTube
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2pcs 49mm Optical Plastic Arcylic Focal Length -40mm Optics Double Concave Lens - Lenses - AliExpress
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Double Concave Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific
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Double Concave Lens, 100mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific
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