What does numerical aperture (N.A.) measure? What is the difference between a lens with N.A. 1.0 and one with N.A. 0.5?
What will be an ideal response?
Numerical aperture measures the ability of an objective lens to resolve details into separate images instead of one blurred image. A lens with N.A. 1.0 can separate details at half the distance of a lens with N.A. 0.5.
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Much of the regulation developed during the early part of the 20th century was supported by, and benefited, the newly regulated big businesses
Indicate whether the statement is true or false
Between stimulus and response there is __________
a. space b. risk c. uncertainty d. purpose
High turnover is evident among correctional personnel because:
A. training is insufficient B. pay is insufficient C. officers do not feel challenged in their professions D. both A & B E. both B & C
Cybercriminals do not need to come into direct contact with victims
a. True b. False