Diffraction due to circular aperture If a light passes through a small pinhole,  and incident on a screen. What will be observed on the screen?
A.A sharp bright point of the width equal to width the pinhole
B. A bright point of the width equal to width the pinhole but of less intensity C. A bright ring at the centre surrounded by alternate dark and bright  rings
D. A diffused bright point

1 Answer

Answer :

C. A bright ring at the centre surrounded by alternate dark and bright  rings

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