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Consider sunlight incident on a slit of width 104 A.

Question:

Consider sunlight incident on a slit of width 104 A. The image seen through the slit shall

(a) be a fine sharp slit white in colour at the centre

(b) a bright slit white at the centre diffusing to zero intensities at the edges

(c) a bright slit white at the centre diffusing to regions of different colour

s(d) only be a diffused slit white in colour

Solution:

The correct answer is (a) be a fine sharp slit white in colour at the centre

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