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What is the minimum distance between two points that the unaided human eye can distinguish as separate?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
11 May 2018
Last updated
28 May 2026

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Explanation

The human eye can typically resolve two points that are at least 1.0 millimeter apart. Distances smaller than this, such as 0.1 millimeter, are generally indistinguishable without magnification.

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