American Board of Opticianry (ABO) Practice Test

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Prepare for the ABO certification with our comprehensive test preparation resources. Engage with interactive quizzes and detailed questions created specifically for the ABO exam. Enhance your understanding of opticianry concepts and ace your certification test!

Practice this question and more.

What is a point of light pulsating in a straight line called?

One meter
Base
Ray
Apex

The correct answer is: Ray

A One meter is a unit of measurement and does not describe a type of light. B: Base typically refers to the bottom or support of something, not necessarily to light. D: Apex usually refers to the highest point of something, not necessarily to light.