Question

when a convex lens of radius of curvature 30 cm is kept in contact with another lens , a beam of parallel rays which is parallel to principal axis passes through this combination without any deviation. Find the angle of deviation produced by the two lenses individually when a light ray which is parallel to the principal axis strikes the edge of the lens and draw the ray diagrams.
please tell answer if you know and it's class 10th​

Answer 1

Answer:

the first thing you can be sure about is that the two sides have to do so when they were in the morning