By properly combining two prisms made of different materials, it is not possible to have
A. dispersion without average deviation
B. deviation without dispersion
C. both dispersion and average deviation
D. neither dispersion nor average deviation
Answer:D
By properly combining two prisms made of different materials, it is not possible to have
A. dispersion without average deviation B. deviation without dispersion C. both dispersion and average deviation D. neither dispersion nor average deviation