4A point object is kept 30 cm away from a thinconvex lens of focal len – InterviewSolution

1.	4A point object is kept 30 cm away from a thinconvex lens of focal length 20 cm and a convexmirror of radius of curvature 30 cm is also keptbehind the lens at a distance of 30 cm from lens.The distance between 1st image by convex lensand final image is(1) 60 cm3 0(2) 30 cmCo(3) 45 cmT-20V-60cma90 cm30303+ 21>
Answer» 4A point object is kept 30 cm away from a thinconvex lens of focal length 20 cm and a convexmirror of radius of curvature 30 cm is also keptbehind the lens at a distance of 30 cm from lens.The distance between 1st image by convex lensand final image is(1) 60 cm3 0(2) 30 cmCo(3) 45 cmT-20V-60cma90 cm30303+ 21>

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