Question

two convex lens of power 2d and 5d are separated by a distance 1/3 m. the power of the optical system formed is a) +2D b) -2D c) -3D d) +3D

Answer 1

Answer:

convex lens of power 2d and 5d are separated by a distance 1/3 m. the power of the optical system formed is a) +2D b) -2D c) -3D d) +3D and is a

Answer 2

Answer:

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