Visible light passing through a circular hole forms a diffraction disc of radius 0.1mm on a screen.
Visible light passing through a circular hole forms a diffraction disc of radius 0.1mm on a screen. If X-ray is passed through the same set-up, the radius of the diffraction disc will be
(a) zero
(b) <0.1mm
(c) 0.1mm
(d) >0.1mm.
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