Refraction - Study guides, Class notes & Summaries
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ETA-I Study Guide (Fiber Optics Installer Certification) (FOI) exam 2023 with 100% correct answers
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An optical fiber works based off of a principle known as; 
Total Internal Reflection. 
 
 
 
The bending of light as it passes from one transparent material into another which has a different refractive index is what? 
Refraction. 
 
 
 
Light is electromagnetic radiation in the wavelength range including visible, ultraviolet, X-rays and _______________. 
Infrared. 
 
 
 
What are the three parts of a typical optical fiber? 
Core, Cladding, buffer Coating. (3 C's) 
 
 
 
A simple fiber optic sy...
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MMSC407 Exam 1 Questions with All Correct Answers
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MMSC407 Exam 1 Questions with All 
Correct Answers 
 
what type of light a Tungsden (Quartz-Vapor) exciter lamp shows us - Answer-visible 
light 
what type of light a Hydrogen/ Deuterium exciter lamp shows us - Answer-UV light 
what type of light a Xenon/MercuryVapor exciter lamp shows us - Answer-UV light 
visible light range - Answer-350-700 nm 
color absorbed at 350-430 nm - Answer-violet 
color absorbed at 430-475 nm - Answer-blue 
color absorbed at 475-495 nm - Answer-blue-green 
color abso...
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED
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ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED 
In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. 
What is the audible range? 20-20,000Hz 
>20,000Hz=Ultrasound 
Frequency is measured in Hertz (Hz) is Cycles per Second 
Not affected by sonographer 
Increase Frequency; Decrease Depth 
A period is the length of time it takes for one complete wavelength to pass a fixed poin...
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Test Bank for Fundamentals of Physics, Extended, 12th Edition by David Halliday
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Test Bank for Fundamentals of Physics, Extended, 12e 12th Edition by David Halliday, Robert Resnick, Jearl Walker. Full Chapters test bank are included - Chapter 1 to 44 
 
1 Measurement 1 
 
1.1 Measuring Things, Including Lengths 1 
 
1.2 Time 5 
 
1.3 Mass 6 
 
2 Motion Along a Straight Line 13 
 
2.1 Position, Displacement, and Average Velocity 13 
 
2.2 Instantaneous Velocity and Speed 18 
 
2.3 Acceleration 20 
 
2.4 Constant Acceleration 23 
 
2.5 Free-Fall Acceleration 28 
 
2.6 Graphica...
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SSI Open Water Diver Final Exam: Sections 1 – 6 Questions and Answers
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If you experience pain in the ear during descent: 
 
A - Place a finger in the ear canal and gently massage the ear until the pain ceases 
 
B - Stop the descent and ascend until the pain stops 
 
C - Continue the descent while gently exhaling into the mask 
 
D - Abort the dive - Answer- B - Stop the descent and ascend until the pain stops 
 
Earplugs: 
 
A - Protect against cold 
 
B - Protect the ears from squeeze 
 
C - Aid equalization of the middle ear 
 
D - Should never be worn while div...
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Maine Sea Kayak Guide Licences (Ocean Dynamics) Questions and Answers 100% Solved correctly
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onshore wind - wind that blows from the sea towards the land 
Venturi effect - wind flowing through a restricted space and increases wind speed. 
Questions when in big waves - Can we see out clients? Can they stay upright? Where might the 
wave break? 
Wavelength - Horizontal distance between the crests or between the troughs of two adjacent 
waves 
wave height - the vertical distance from the crest of a wave to the trough 
wave period - the time required for corresponding points on consecutive ...
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AS PHYSICS 7407/1 Paper 1 Mark scheme June 2023
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AS 
PHYSICS 
7407/1 
Paper 1 
Mark scheme 
June 2023 
Version: 1.0 Final 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
*236A7407/1/MS* 
 
 
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation proces...
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Abbe Values & Index Of Refraction With Questions And Correct Answers Latest Version
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Abbe Values & Index Of Refraction With Questions And Correct Answers Latest Version
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SSI Open Water Diver Final Exam 2022 Graded A+ (Actual test 100% verified)
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Which of the statements concerning sound transmission underwater is incorrect? 
-A: Sound will travel farther underwater then in air 
-B: Divers find it difficult to locate the direction of a sound producing source 
-C: Divers find it easy to talk to each other directly through water 
-D: Sound travels four times faster underwater than in air -Answer- C 
The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea 
water is: 
-A: 2 ata 
-B:1 ata 
-C: 4 ata 
-D: 3 ata -Answe...
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Reflection, Refraction, and Lenses Review
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Reflection, Refraction, and Lenses Review
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