Q. In order to see diffraction the thickness of the film is
A) $100\ \mathring{\mathrm{A}}$
B) $10,000\ \mathring{\mathrm{A}}$
C) $1\ mm$
D) $1\ cm$
Explanation
(b) Thickness of the film must be of the order of wavelength of light falling on film ($i.e.,$ visible light)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.