Q. The ray diagram could be correct
A) If $n_{1} = n_{2} = n_{3}$
B) If $n_{1} = n_{2}$ and $n_{1} < n_{g}$
C) If $n_{1} = n_{2}$ and $n_{1} > n_{g}$
D) Under no circumstances
Explanation
(c) If $n_{l} > n_{g}$ then the lens will be in more denser medium. Hence its nature will change and the convex lens will behave a concave lens
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.