Optics 2 Question 13
13. A diverging beam of light from a point source
are equal. If the thickness of the glass slab is
(a) zero
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 13. (b)
Solution:
- Divergence angle will remain unchanged because in case of a glass slab every emergent ray is parallel to the incident ray. However, the rays are displaced slightly towards outer side.
(In the figure
