Physics · Optics
Calculate the limit of resolution of a microscope according to Abbe's formula, given that the numerical aperture (NA) of the objective lens is 1.4 and the wavelength of the light beam used is 400 nm.
- 1~240 nm
- 2~224 nm
- 3~199 nm
- 4~175 nm✓
Correct answer
~175 nm
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