High index of refraction - Study guides, Class notes & Summaries

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ABO Advanced Questions With Solutions guaranteed to Pass GRADED A+ The amount of reflection of each surface of CR-39 lenses is approximately - ANS 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 - ANS D. tint and lens transmission The denser the tint in a lens A. the greater the transmission of light through th...

ABO Exam Questions with Complete Solutions How many millimeters are in an inch? - Answer-25.4 mm = 1 in. List the colors of the spectrum, from longest wavelength to shortest. - Answer-(ROYGBIV) Red, Orange, Yellow, Green, Blue, Indigo, Violet How are the bands in the UV spectrum categorized? - Answer-A, B, & C (with C being blocked by the Earth's atmosphere) What is the speed of light? - Answer-186,000 mps Define "Index of Refraction" - Answer-the degree that light is bent i...

ABO Study Guide Questions & Answers Passed 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 Poly index of refraction - ️️ 1.586 Air - ️️ 1.00 How fast...

Fiber Optics 2024 Exam Questions and Answers All Correct Fiber optic transmissions are not susceptible to - Answer- interruption or distortion by electrical noise An advantage of fiber optics is that they can ____________ of data - Answer- carry high frequencies Concerning security, fiber optics - Answer- cannot be tapped without physically disrupting the service A basic fiber optics communication system is made up of - Answer- Fiber optic cable, fiber optic strand, transmitter, rec...

ETA-I Study Guide (Fiber Optics Installer Certification) (FOI)An optical fiber works based off of a principle known as; - correct answer Total Internal Reflection. The bending of light as it passes from one transparent material into another which has a different refractive index is what? - correct answer Refraction. Light is electromagnetic radiation in the wavelength range including visible, ultraviolet, X-rays and _______________. - correct answer Infrared. What are the three parts...

Prentice Rule - ANS (Power x distance in mm) /10 Cornea index of refraction - ANS 1.37 Tear Film, Vitreous index of refraction - ANS 1.33 Crystalline lens index of refraction - ANS 1.42 Optical Standard index of refraction - ANS 1.53 Crown Glass index of refraction - ANS 1.523 High index of refraction - ANS 1.74 CR-39 index of refraction - ANS 1.49/1.50 Poly index of refraction - ANS 1.586 Air - ANS 1.00 How fast does light travel throu...

SPI Practice Questions Answers A Which of these terms means 'many gray shades'? A wide dynamic range B bistable C high contrast D highly compressed signal E few choices ️A wide dynamic range Which of the following will result in the highest mechanical index? A high intensity and high frequency B low frequency and high signal amplitude C low intensity and low frequency D high frequency and low power ️B low frequency and high signal amplitude mechanical index is inver...

The range of wavelengths in the visible spectrum is: a) 100 to 400 nanometers b) 400 to 800 nanometers c) 450 to 650 nanometers d) 400 to 800 meters (m) - ANS b) Depending on which reference is consulted, visible light is in the range of 400 to 800 nanometers. (Be sure to watch the units of measurement given in an answer. "Meters" in answer d should have indicated that it was incorrect.) Immediately on either side of the visible spectrum are the invisible light segments of: a)...

ABO Study Guide Questions with Verified Answers 2024 Prentice Rule Correct Answer: (Power x distance in mm) /10 Cornea index of refraction Correct Answer: 1.37 Tear Film, Vitreous index of refraction Correct Answer: 1.33 Crystalline lens index of refraction Correct Answer: 1.42 Optical Standard index of refraction Correct Answer: 1.53 Optical Standard index of refraction Correct Answer: 1.523 High index of refraction Correct Answer: 1.74 CR-39 index of refraction Correc...