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.

Answer 1

(b), (d)

(b) different from a geometrical image.

(d) diffused coloured region around a sharp central white spot.