Focal length
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  Subject Replies Date
How the focal length of a lense is related to wave length? 0 1/8/2014
What is the relation between focal length and refractive index? 0 12/5/2013
What is the mathematical relation for focal length? 0 7/2/2013
Focal length of a biconvex lens is equal to the radius of curvature of either face. What is the refractive index of lens material 0 12/6/2012
 
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