" The ratio of resolving powers of an optical microscope for two wavelengths "lambda_(1)=4000" Åand "lambda_(2)=6000 AA" is "

The ratio of resolving power of an optical microscope for two wavelength lambda_(1)=4000Å and lambda_(2)=6000Å is:

The ratio of resolving power of an optical microscope for two wavelength lambda_(1)=4000Å and lambda_(2)=6000Å is:

The ration of resolving powers of an optical microscope for two wavelangths lamda_(1) =4000 Å and lamda_(2)=6000 Å is

The ration of resolving powers of an optical microscope for two wavelangths lamda_(1) =4000 Å and lamda_(2)=6000 Å is

The ratio of resolving powers of an optical microscope for two wavelengths lambda_1 =4000overset@A and lambda_2= 6000overset@A is

In YDSE a parallel beam of incident light consists of two wavelengths lambda_(1)=4000Å and lambda_(2)=5600Å . The minimum distance y on the screen, measured from the central axis, where the bright fringe due to two wavelengths coincide is (nlambda_(1)D)/(d) . Find n.