The power of a lens is +4D. What is the nature of lens

power 4d Transcript. Question 39 If the power of a lens is − 4.0 D, then it means that the lens is a (A) concave lens of focal length −50 m (B) convex lens of focal length +50 cm. A convex lens of power 4D is kept in contact with a concave lens of power 3D, the effective power of combination will be . View Solution; Knowledge Check. A convex lens of focal length 40 cm

power 4d, The 4DX PowerPoint Template consists of three slides with creative layouts for depicting the attributes of this execution methodology. The first slide shows a speedometer diagram with.