Ap Eapcet
Ray Optics
AP EAPCET 2025 - 21st May Evening Shift
MCQ+1 / -02025
Two thin convex lenses are kept in contact coaxially. If the focal length of the combination of the lenses is 4 cm and sum of the focal lengths of the two lenses is 18 cm , then the focal length of the lens of low power is