A Beam of White Light in Air Passes Through the Transparent

Multiple Choice

A beam of white light in air passes through the transparent object shown. Dispersion is observed to occur. From the diagram we can tell that

A) the index of refraction is larger for red light than blue.
B) the index of refraction is larger for blue light than red.
C) the object acts as a converging lens.
D) the object behaves as a concave mirror.