Question 0in a light experiment with a convex lens a student plotted a graph as shown above of the reciprocal of object distance (1)/u against the reciprocal of image distance (1)/v . the focal length of the lens is given asA.slope of line PQB.Reciprocal of either OP or OQC.Length OP or OQD.area under the graph E ratio OP/OQE.Objective Show full explanation