The numerical aperture of objective of a microscope is `1*12`. The limit of resolution, when light of wavalength `6000 Å` is used to view an object is
The numerical aperture of objective of a microscope is `1*12`. The limit of resolution, when light of wavalength `6000 Å` is used to view an object is :
A. `0*25xx10^(-7)m`
B. `2*5xx10^(-7)m`
C. `25xx10^(-7)m`
D. `250xx10^(-7)m`
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