Salma Ahmed
English Lit. GCSE Student
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Relationship Between U and V For a Convex Lens
- Words:
- 4284
- Submitted:
- Thu Jul 11 2002
Have a little read: ... SC 1 Relationship between u and v for a convex lens Prediction I think that when the length of 'u' increases (object distance), the length 'v' will decrease. (image distance.) Only when the object is greater than the focal length of the lens, is a real image is produced. If the object distance is nearer the focal length than a virtual image is produced. The virtual image has a negative distance from the lens, which means it can't be focused onto the screen. When plotting my results on graph, I will expect them to produce a curved line for u over v, producing a reciprocal graph. However a straight line when plotting 1/u over 1/v. Scientific Ideas This formulae for the focal length of an object: 1/focal length = 1/object distance + 1/image distance The following formulas are rearranged from the one above. This will help me throught my experiment, and with my scientific ideas. u =
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