a convex lens of focal length f is cut into two halves such that one surface of each is plane what is the focal length of each half
Asked by deepakphy93 | 3rd Jan, 2018, 01:08: PM
Expert Answer:
lens-maker formula for focal length f of convex lens is given by
μ is refractive index of material of lens, R1 and R2 are radius of curvature. If one side is flat, Radius of curvature will become infinity. Hence focal length f will become
Answered by | 3rd Jan, 2018, 04:51: PM
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