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Light of wavelength 589 nm is used to vi...

Light of wavelength 589 nm is used to view an object under a microscope. The aperature of the objective has a diameter of `0.900 cm`. Find
The limiting angle of resolution.

Text Solution

Verified by Experts

To obtain the smallest angle corresponding to the maximum limit of resolution, we have to use the shortest wavelength `(lambda= 400 nm)` in the visible spectrum.
Limiting angle of resolution
`triangle theta = 1.22((400xx10^(-9)m)/(0.900xx10^(-2)m)) rad`
`= 5.42xx 10^(-5)rad`
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