A microscope has an objective lens with an aperture of diameter 0.60 cm where a monochromatic light source of wavelength 580 nm is used to illuminate the object. It is determined that the minimum angle of resolution is 1.18 × 10^-4 rad. If the illuminating source were replaced by a source of wavelength 700 nm, what would the minimum angle of resolution now become? (1 nm = 10-9 m)

a. 0.58 × 10^-4 rad
c. 0.85 × 10^-4 rad
b. 1.4 × 10^-4 rad
d. 1.2 × 10^-4 rad


B

Physics & Space Science

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