Which One of the Following Phrases Most Accurately Describes Paraxial

question 23

Multiple Choice

Which one of the following phrases most accurately describes paraxial rays?

• A)rays that pass through the principal focus
• B)any rays that are parallel to the principal axis
• C)rays that come to a focus on the principal axis
• D)rays close to the principal axis and parallel to it
• E)rays close to the principal axis,but not necessarily parallel to it

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Definitions:

Legibility

The quality of being clear enough to read, both in terms of physical handwriting or print and in visual presentation of information.

Follower Rises

The motion of a follower mechanism moving upwards as a result of the cam profile's action in cam-follower systems.

Cam Displacement Diagram

A graphical representation used in mechanical engineering to show how the position of a cam changes over time.