search
Q: The effective diameter of the circular outline of a spherical lens is called .............
  • A. aperture
  • B. centre of curvature
  • C. radius of curvature
  • D. focus
Correct Answer: Option A - Aperture is the effective diameter of the circular outline of a spherical lens through which reflection takes place.
A. Aperture is the effective diameter of the circular outline of a spherical lens through which reflection takes place.

Explanations:

Aperture is the effective diameter of the circular outline of a spherical lens through which reflection takes place.