Optics Question 222
Question: In order to see diffraction the thickness of the film is
[J&K CEE 2001]
Options:
A) $ 100{AA} $
B) $ 10,000{AA} $
C) 1 mm
D) 1 cm
Show Answer
Answer:
Correct Answer: B
Solution:
Thickness of the film must be of the order of wavelength of light falling on film (i.e. visible light)