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Lens and Mirror

Questions (2)

An object is placed 30mm in front of a lens. An image of the object is located 90mm behind the lens.a) Is the lens converging or
1. 3 answers
2. asked by Harly
3. 1,494 views
1)At least_____ light rays are required to locate the image formed by a lens.2 2)What is the nature of an image formed by a
1. 3 answers
2. asked by Jon
3. 555 views