Question:
Consider sunlight incident on a pinhole of width 103A. The image of the pinhole seen on a screen shall be
(a) a sharp white ring
(b) different from a geometrical image
(c) a diffused central spot, white in colour
(d) diffused coloured region around a sharp central white spot
Solution:
The correct answer is
(b) different from a geometrical image
(d) diffused coloured region around a sharp central white spot