Light and vision are key factors in the success of visual testing. Detecting discontinuities depends on how well a technician can see them, which is influenced by the quantity and direction of light.
Estimated completion time (hours): 2.6
Objectives
By the end of this course, you will be able to do the following:
- Describe the physics of light
- Understand the difference between artificial and natural light sources
- Recognize the effect of different amounts of light and light direction on visual testing
- Define key terms related to light and vision
- Know how to measure illumination
- Understand reflected and refracted light
- Learn about different types of lenses
- Describe how the human eye processes light
Learning Paths
- Nondestructive Examination
Estimated Time (Hrs): 2.6
Language: English