2 A thin convex lens having focal length 20 cm is cu into

Last updated: 6/9/2023

2 A thin convex lens having focal length 20 cm is cu into two parts 1 mm above the principle axis The lower portion is placed with optical centre at origin and upper portion at 90 0 as shown in the figure A point object is placed at 30 0 Find the magnitude of y coordinates in mm of the image Assuming paraxial ray approximation to remain valid 30 0 1 mm 0 0 30cm 90cm 90 0