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Consider sunlight incident on a pinhole of width 103A.

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

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