# The Numerical Aperture of Objective of a Microscope is 0.12. the Limit of Resolution, When Light of Wavelength 6000A is Used to View an Object is - Physics

The numerical aperture of objective of a microscope is 0.12. The limit of resolution, when light of wavelength 6000A is used to view an object is.......................

1. 0.25 * 10-7m
2. 2.5 * 10-7m
3. 25 * 10-7m
4. 250 * 10-7m

#### Solution

(c) 25 * 10-7m

The minimum resolvable linear distance between two nearby objects is given by

"x"=lambda/(2"NA")=(6000xx10^-10)/(2xx0.12)=2.5xx10^-6"m"=25xx10^-7"m"

Concept: Resolving Power of a Microscope and Telescope
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