For each calculation, you need to know the wavelength of light being used and NA (numerical aperture) of the objective lens. Use the information provided in bold below but NOTE, some information need

For each care, you need to comprehend the wavelength of unconsidered life used and NA (numerical opening) of the external lens.  Use the instruction granted in fearless adown but NOTE, some instruction needed to exculpation the questions is solely granted in the lab manual.