Optics Question 839
Question: A wave front AB passing through a system C emerges as DE. The system C could be
Options:
A) a slit
B) a biprism
C) a prism
D) a glass slab
Show Answer
Answer:
Correct Answer: C
Solution:
[c] A slit would give divergent; a biprism would give double; a glass slab would give a parallel wave front. Edge is downward.