Certified Welding Inspector Practice Exam

What characteristic is typical of an absorptive lens?

1. It magnifies images

2. It reflects harmful rays

3. It attenuates glare and direct light

4. It enhances light intensity

The correct answer is: It attenuates glare and direct light

An absorptive lens is designed to reduce the intensity of light and manage glare by absorbing some of the light that passes through it. This characteristic helps decrease the amount of direct light that reaches the eyes, making it easier and more comfortable to see in bright conditions, such as in welding environments. The ability to attenuate glare contributes to improved visibility and safety for the user. This function is especially important in fields like welding, where bright arcs can be damaging to the eyes. By reducing the intensity of distracting and harmful light, absorptive lenses promote a clearer view of the work area without compromising eye safety. Other options may describe functions and properties related to different types of lenses but do not correctly define the primary characteristic of an absorptive lens. For instance, magnification pertains more to lenses designed specifically for that purpose, while reflecting harmful rays is associated with reflective coatings found in some safety eyewear but not intrinsic to absorptive lenses. Enhancing light intensity contradicts the basic functionality of an absorptive lens, which works to lessen the amount of light rather than increase it.