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How are these two images resolved?

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+1 vote
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in Engineering Physics II by (679k points)
How are these two images resolved?

(a) Not resolved

(b) Just Resolved

(c) Partially resolved

(d) Well resolved

This question was addressed to me during an interview.

Enquiry is from Resolving Power in section Optics of Engineering Physics II

1 Answer

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Best answer
Right option is (d) Well resolved

Explanation: As stated in Rayleigh’s criteria, when the central maxima of one image coincide with the first minimum of the other image, the two images are said to be just resolved. In the fig, the angular separation between the two central maxima is large enough for the images to be seen clearly. Thus, the images are well-resolved.

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