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GIA Diamonds and Diamond Grading Assignment 7 Questionnaire Exam Question & Answers 2025.docx

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GIA Diamonds and Diamond Grading Assignment 7 Questionnaire Exam Question & Answers

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Nursing 250 Exa 1 Question & Answes ( Lates 202
Course
Nursing 250 Exa 1 Question & Answes ( Lates 202

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November 26, 2025
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2025/2026
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  • gia diamonds and diamond grading assignment 7 ques

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GIA Diamonds and Diamond Grading
Assignment 7 Questionnaire Exam
Question & Answers 2025
What is the refractive index of a material with a small
critical angle?
A. Low
B. Zero
C. High
D. Irrelevant - CORRECT ANSWERS ✔✔C. High


What describes the separation of white light into its
spectral colors?
A. Brightness
B. Brilliance
C. Dispersion
D. Scintillation - CORRECT ANSWERS ✔✔C. Dispersion


What pattern can result from a deep pavilion?
A. Fisheye
B. Nailhead
C. Radiating mains
D. Hearts and arrows - CORRECT ANSWERS ✔✔B.
Nailhead

, GIA Diamonds and Diamond Grading
Assignment 7 Questionnaire Exam
Question & Answers 2025
What describes the change in speed and/or direction
when light travels from air into diamond?
A. Surface reflection
B. Refraction
C. Internal reflection
D. Critical angle - CORRECT ANSWERS ✔✔B.
Refraction


What is always equal to the angle of reflection?
A. Normal
B. Critical angle
C. Wavelength
D. Angle of incidence - CORRECT ANSWERS ✔✔D.
Angle of incidence


What characteristic helps provide a visual assessment for
cut grade?
A. Absorption
B. Pattern
C. Carat weight
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