Problem 26.45 A converging lens 6.80cm in diameter has a focal length of 290mm P

Question

Problem 26.45 A converging lens 6.80cm in diameter has a focal length of 290mm Part A If the resolution is diffraction limited, how far away can an object be if points on it transversely 4.20mm apart are to be resolved (according to Rayleigh's criterion) by means of light of wavelength 560nm? Problem 26.45 A converging lens 6.80cm in diameter has a focal length of 290mm Part A If the resolution is diffraction limited, how far away can an object be if points on it transversely 4.20mm apart are to be resolved (according to Rayleigh's criterion) by means of light of wavelength 560nm? A converging lens 6.80cm in diameter has a focal length of 290mm Part A If the resolution is diffraction limited, how far away can an object be if points on it transversely 4.20mm apart are to be resolved (according to Rayleigh's criterion) by means of light of wavelength 560nm? Part A If the resolution is diffraction limited, how far away can an object be if points on it transversely 4.20mm apart are to be resolved (according to Rayleigh's criterion) by means of light of wavelength 560nm?

Explanation / Answer

Apply s/r = 1.22(wavelength)/D

4.2 X 10^-3/r = (1.22)(560 X 10^-9)/(.068)

r = 418 m

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