Physics · 2019
JEE Main · 12 April 2019, Shift 1 · Q26
The value of numerical aperature of the objective lens of a microscope is 1.25. If light of wavelength 5000 is used, the minimum separation between…
The value of numerical aperature of the objective lens of a microscope is $\displaystyle 1.25$ . If light of wavelength $\displaystyle 5000 \AA$ is used, the minimum separation between two points, to be seen as distinct, will be :
Official answer
(4)
$\displaystyle 0.24 \mu \mathrm{~m}$
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