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NAO VOLUME IV EXAM QUESTIONS AND ANSWERS
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---3september 20252025/2026A+
- NAO VOLUME IV EXAM QUESTIONS AND ANSWERS 
 
 
 
/. The amount of reflection of each surface of CR-39 plastic lenses is approximately: - Answer-4% 
 
/.The absorption of light in lenses is classified by two variables. What are they? - Answer-Tint and lens transmission 
 
/.The denser the tint in a lens, the _____: - Answer-Less transmission of light through the lens 
 
/.Standard transmission in sunlenses should range between: - Answer-15% and 30% 
 
/.If a person has exposure to sunlight at leas...
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Brainariam
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NAO VOLUME IV Exam Questions With Verified Answers
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---3december 20242024/2025A+
- ©BRIGHTSTARS EXAM SOLUTIONS 2024/2025 
ALL RIGHTS RESERVED. 
1 
NAO VOLUME IV Exam Questions With 
Verified Answers 
The amount of reflection of each surface of CR-39 plastic lenses is approximately: - 
Answers4% 
The absorption of light in lenses is classified by two variables. What are they? - AnswersTint 
and lens transmission 
The denser the tint in a lens, the _____: - AnswersLess transmission of light through the lens 
Standard transmission in sunlenses should range between: - Answers15% ...
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$10.99 Meer Info
Brightstars
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Tentamen (uitwerkingen)
NAO VOLUME IV QUESTIONS WITH ACTUAL SOLUTIONS
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---3november 20242024/2025A+
- If a person has exposure to sunlight at least 2 hours or more during the day, their _____ 
- ️️Ability to adapt to night vision is compromised if they don't protect their eyes 
from the sun exposure 
_____ are generally inorganic materials (metals or minerals) that are vacuum deposited 
to add color on glass lenses to give a uniform density of color on the lenses: - 
️️vacuum color coatings 
The denser the tint in a lens, the _____: - ️️Less transmission of light through the 
lens...
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ACADEMICMATERIALS
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NAO VOLUME {IV} EXAM QUESTIONS |GUARANTEED PASS
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---6oktober 20242024/2025A+
- The amount of reflection of each surface of CR-39 plastic lenses is approximately: - ACCURATE ANSWERS 4% 
 
The absorption of light in lenses is classified by two variables. What are they? - ACCURATE ANSWERS Tint and lens transmission 
 
The denser the tint in a lens, the _____: - ACCURATE ANSWERS Less transmission of light through the lens 
 
Standard transmission in sunlenses should range between: - ACCURATE ANSWERS 15% and 30% 
 
If a person has exposure to sunlight at least 2 hours or more d...
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EXAMLINKS
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NAO VOLUME IV TEST QUESTIONS & ANSWERS 100% SOLVED CORRECTLY TO PASS
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---3oktober 20242024/2025A+
- Features and benefits of trivex include_____: - ️️superior optics, impact resistance, 
ultra-light weight (all of the above) 
Given a high plus or minus RX, which lens material would offer the best choice for 
uniform density in a sunlens? - ️️cr-39 plastic and trivex 
If a person has exposure to sunlight at least 2 hours or more during the day, their _____ 
- ️️Ability to adapt to night vision is compromised if they don't protect their eyes 
from the sun exposure 
The amount of r...
-
$8.89 Meer Info
Brainarium