Nisarg Asked a Question
January 24, 2021 11:57 pmpts 30 pts
how the use of oil increases the numerical aperture of microscope??? and we know that maximum sin theta value is 1 then how the value of numerical aperture is increased by using oil??
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  • Yogita Basnal Best Answer
    It happens because oil has greater refractive index than air. Refractive index is represented by "n". Numerical aperture is "n sin @" not "sin@". For numerical aperture we need to ...
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