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A converging lens 7.70 cm in diameter has a focal length of 320 mm . Part...

A converging lens 7.70 cm in diameter has a focal length of 320 mm .

Part A

If the resolution is diffraction limited, how far away can an object be if points on it transversely 3.90 mm apart are to be resolved (according to Rayleigh's criterion) by means of light of wavelength 510 nm ?

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