21 An optical element is shown in surfaces are 10 cm and 20

Last updated: 6/21/2023

21 An optical element is shown in surfaces are 10 cm and 20 cm Calculate distance between two spherical surfaces so that image of the object coincides with the object itself R 10 cm H 30 cm 1 100 cm 3 110 cm 3 2 d R 20 cm 2 80 cm 4 95 cm