A concave lens of focal length is placed to the left of a convex lens of focal length…

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

A concave lens of focal length

20\,\text{cm}

is placed

10\,\text{cm}

to the left of a convex lens of focal length

15\,\text{cm}

on the same principal axis. An object is located

30\,\text{cm}

to the left of the concave lens. The position of the final image relative to the convex lens is (a)

12\,\text{cm}

to the right of the convex lens (b)

47\,\text{cm}

to the left of the convex lens (c)

47\,\text{cm}

to the right of the convex lens (d)

22\,\text{cm}

to the left of the convex lens