Home › Bihar Board Class 12 (Science) › Physics › Wave Optics › The Fraunhofer diffraction approximation applies…
The Fraunhofer diffraction approximation applies to which region?
AThe near field only
BThe far field region
COnly inside the slit
DOnly at the screen edge
Answer & Solution
Correct answer: B. The far field region
Fraunhofer diffraction uses parallel rays, valid when the screen is far from the aperture.
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