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Questions and Answers
What is the relationship between the angle θ and the numerical aperture (NA)?
What is the relationship between the angle θ and the numerical aperture (NA)?
- $\theta = \frac{A}{NA}$
- $\theta = \frac{A}{2}$ (correct)
- $\theta = \frac{NA}{n}$
- $\theta = \frac{n}{A}$
What is the equation that relates the Numerical Aperture (NA) and the refractive index (n) to the angle θ?
What is the equation that relates the Numerical Aperture (NA) and the refractive index (n) to the angle θ?
- NA = n(θ)
- NA = n(cosθ)
- NA = n(tanθ)
- NA = n(sinθ) (correct)
What determines the value of the angular aperture for image-forming light waves passing through the specimen?
What determines the value of the angular aperture for image-forming light waves passing through the specimen?
- The focal length of the objective (correct)
- The wavelength of the light waves
- The distance between the objective and the specimen
- The size of the specimen
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