An object is placed in front of a concave mirror of focal length

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

An object is placed 20 cm20\,\text{cm} in front of a concave mirror of focal length 15 cm15\,\text{cm}. The mirror is then replaced at the same position by a convex lens of the same focal length. Which option states the nature of the images formed by the mirror and the lens respectively? (a) Mirror: real, inverted; Lens: virtual, erect (b) Mirror: virtual, erect; Lens: real, inverted (c) Mirror: real, inverted; Lens: real, inverted (d) Mirror: real, erect; Lens: real, erect

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