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)



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