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
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

The correct answer is

b) different from a geometrical image

d) diffused coloured region around a sharp central white spot