High index of refraction - Study guides, Class notes & Summaries
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Microbiology WCC Keith || Already Graded A+.
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ocular lens correct answers 10x eyepiece 
 
scanning (low) power objective correct answers x10 
 
scanning high power objective correct answers x40 
 
scanning oil correct answers x100 
 
total magnification correct answers ocular x objective 
 
refraction correct answers measure of dispersal of visual light as it passes through different material/ different density 
 
minimize refraction correct answers using oil, same index as glass 
 
working distance correct answers the distance between the ...
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ABO numbers, math, formulas
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ABO numbers, math, formulas 
 
Prentice's Rule - ANSWER-P = f x c 
P = amount of prism correction 
f = lens power (in diopters) 
c = decentration (the distance between the pupil centre and the lens's optical centre, in millimeters) 
 
Cornea IOR - ANSWER-1.37 
 
Tear Film, Vitreous IOR - ANSWER-1.33 
 
Crystalline lens IOR - ANSWER-1.42 
 
Optical Standard index of refraction - ANSWER-1.53 
 
Crown Glass index of refraction - ANSWER-1.523 
 
High index IOR - ANSWER-1.74 
 
CR-39 IOR - ANSWER-1...
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Edelmen's SPI Exam Review Test Answered 100% Correctly!
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Edelman SPI review questions & Answers 2023. 
______ is the distance covered by one cycle. 
a) pulse length 
b) wavelength 
c) cycle distance 
d) cycle duration 
 
______ is the time to complete one cycle 
a) pulse duration 
b) pulse period 
c) period 
d) duration period 
 
________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: 
a) refraction 
b) Rayleigh Scattering 
c) scattering 
d) reflection 
 
_________ resolution is...
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ABO Advance Questions and Answers Graded A With Complete Solutions 100% Verified 2024
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The amount of reflection of each surface of CR-39 lenses is approximately - 4% 
 
The absorption of light in lenses is classified by two variables. What are they? 
 
A. base curve and thickness 
B. index of refraction and thickness 
C. thickness and lens transmission 
D. tint and lens transmission - D. tint and lens transmission 
 
The denser the tint in a lens 
 
A. the greater the transmission of light through the lens 
B. the greater internal reflections in the lens 
C. the less transmission ...
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ABO exam Study Guide with Questions and 100% Solutions
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Prentice Rule - (Power x distance in mm) /10 
Cornea index of refraction - 1.37 
Tear Film, Vitreous index of refraction - 1.33 
Crystalline lens index of refraction - 1.42 
Optical Standard index of refraction - 1.53 
Crown Glass index of refraction - 1.523 
High index of refraction - 1.74 
CR-39 index of refraction - 1.49/1.50
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ABO ADVANCED EXAM QUESTIONS AND ANSWERS 100% UPGRADED 2024
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Base Curve - Curvature of the front of the lens 
 
How is Cyl ground on a minus cyl lens? - Single curve on the front. Cyl ground on the back 
 
How is cyl ground on a plus cyl lens? - Flattest curve on the front. Old way of doing it do to cosmetics 
 
What is Vogels formula used for? - Creating best form and n standard surfacing 
 
Vogel's Formula (+ lenses) - Spherical equivalent + 6.00 
 
Vogel's Formula (- lenses) - Spherical equivalent + 6.00 / 2 
 
Corrected Curve Theory rules: - #1 ocul...
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SEMMELWEIS UNIVERSITY Medical Biophysics I. Semifinal - Practice topics Questions With All Correct Answers!!
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How does refractive power of a lens change if its radius of curvature decreases? - Answer-The power 
increases 
How does refractive power of a lens change if its radius of curvature increases? - Answer-The power 
decreases 
What is radius of curvature in case of a lens? - Answer-Flattener lens= larger radius of curvature. 
More rounded 
lens=lesser radius of curvature. 
How does refractive power of a lens change if its index of refraction increases? - Answer-Refractive 
power will increase 
Calc...
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ABO Prep/Study Guide 2024 Questions with Complete Solutions| American Board of Opticianry
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ABO Prep/Study Guide 2024 Questions with Complete Solutions| American Board of Opticianry 
 
what is the relationship between abbe value and chromatic aberration? (Ans: - The abbe value of a material is INVERSELY proportional to the chromatic aberration; the higher the abbe value, the lower the chromatic aberration 
 
refraction (Ans: - the bending of light as it passes from one medium to another of a different index of refraction; the amount of refraction depends on the incident angle and index...
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ABO Advance Questions With Complete Solutions.
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ABO Advance Questions With Complete Solutions. 
 
 
 
 
The amount of reflection of each surface of CR-39 lenses is approximately - correct answer. 4% 
 
The absorption of light in lenses is classified by two variables. What are they? 
 
A. base curve and thickness 
B. index of refraction and thickness 
C. thickness and lens transmission 
D. tint and lens transmission - correct answer. D. tint and lens transmission 
 
The denser the tint in a lens 
 
A. the greater the transmission of ligh...
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ABO 2023 Exam Questions with Correct Answers
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ABO 2023 Exam Questions with Correct Answers 
Visable spectrum of light - Answer-380 nm - 760 nm 
 
Amplitude - Answer-Vertical distance from trough to crest 
 
ASIM - Answer-American Society of Testing Materials 
 
ANSI - Answer-American National Standards Institute 
 
OSHA - Answer-Occupational Safety and Health Administration 
 
FDA - Answer-Food and Drug Administration 
 
FTC - Answer-Federal Trade Commission 
 
Inverted triangle/diamond - Answer-Unobtrusive frame, light or medium weight fra...
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