Optics Question 1094
Question: In double slit experiment, the angular width of the fringes is 0.20o for the sodium light (l = ). In order to increase the angular width of the fringes by 10%, the necessary change in the wavelength is
[MP PMT 1997]
Options:
A) Increase of
B) Decrease of
C) Increase of
D) Zero
Show Answer
Answer:
Correct Answer: A