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Concave Mirror, 10cm Dia., 10cm Focal Length - Eisco Labs: Science Classroom Optics Kits: Amazon.com: Industrial & Scientific
An object is placed 10cm away from the lens of a camera. The image formed is the same size as the object. What is the focal length of the lens? - Quora
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A concave mirror of focal length 10cm is placed in front of a convex mirror of focal length 20 c... - YouTube
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Convex Lens Lens Straight Diameter 4cm Focal Length 10cm Double Convex Glass Magnifying Glass 40mm Physical
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