All objects referred to the subsequent problems lie on the principal axis.   src="https://d10lp
Channel: Doubtnut
Date: 05/04/2020

All objects referred to the subsequent problems lie on the principal axis.   src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/RES_DPP_PHY_XII_E01_143_Q01.png" width="80%"  If light is incident on surface `1` from left, the image formed after the first refraction is definitely :