1.

A telescope of diameter 2 m uses light of wavelength 5000 A for viewing stars. The minimum angular separation between two stars whose image is just resolved by this telescope is

A. \[4\times {{10}^{-4}}\]rad        
B. \[0.25\times {{10}^{-6}}\]rad
C. \[0.31\times {{10}^{-6}}\]rad
D. \[5.0\times {{10}^{-3}}\]rad
Answer» D. \[5.0\times {{10}^{-3}}\]rad


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