search
arrow-left Previous
Next arrow-right
Q: A ray of light passing through a lens ............. will pass without any deviation.
  • A. main focus
  • B. center of curvature
  • C. main axis
  • D. optical center
Correct Answer: Option D - A ray of light passing through the optical center of a lens passes out without any deviation. The optical center is the point on the principal axis within the lens. If the radius of curvature of the two part of the lens is same, then its optical center is exactly in the middle of the lens on the principal axis.
D. A ray of light passing through the optical center of a lens passes out without any deviation. The optical center is the point on the principal axis within the lens. If the radius of curvature of the two part of the lens is same, then its optical center is exactly in the middle of the lens on the principal axis.

Explanations:

A ray of light passing through the optical center of a lens passes out without any deviation. The optical center is the point on the principal axis within the lens. If the radius of curvature of the two part of the lens is same, then its optical center is exactly in the middle of the lens on the principal axis.