1949
The Objective Resolution was adopted on March 12, 1949 by Pakistanâ??s Constituent Assembly. The Prime Minister presented it to the national assembly on March 7, 1949.
Liaquat Ali Khan in 1949
12th march 1949
J.L. Nehru
it has to do with the resolution of the image of the slide obtained...the larger the objective lens value is the greater the resolution it will provide, greater the resolution higher the details.
Liaquat Ali Khan
The formula for the resolution of an objective lens isR = (1.22(lamda))/(2*(NA))Where (lamda) is wavelength and (NA) is the numerical aperture
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The limit resolution is (520/2.1)= 247.61 or 248
D = wavelength / NA condensor + NA objective D being minimum distance at which two points can be resolved....... wave length of light used......condensor and objective are the numerical apertures of the condensor lens and objective lens
If you are using the oil immersion objective on a microscope, you must use oil to increase the resolution of the lens. These lens are used at very high magnification.