Optics Question 872
Question: A physics professor wants to find the diameter of a human hair by placing it between two flat glass plates, illuminating the plates with light of vacuum wavelength
Options:
A)
B)
C)
D) None of the above
Show Answer
Answer:
Correct Answer: C
Solution:
[c] The reflections from the boundaries will cause a net
The condition for bright fringes is
Now, m=124 since there is a bright fringe for m = 0 and
