An object O, in air, is in front of the concave spherical refracting surface a piece of glass. Which of the general situations depicted below is like this situation?
A) I
B) II
C) III
D) IV
E) V

Question

An object O, in air, is in front of the concave spherical refracting surface a piece of glass. Which of the general situations depicted below is like this situation? 
A) I 
B) II 
C) III 
D) IV 
E) V

Quizplus · Accepted Answer

In this situation, the refracting surface is concave and the object is in front of the surface, which corresponds to situation III.

An Object O, in Air, Is in Front of the Concave