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

Situation III depicts an object in front of a concave spherical refracting surface, which matches the given situation. The other situations either have a different type of refracting surface or the object is inside the sphere.

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