The index of refraction Study guides, Class notes & Summaries

ETA Fiber Practice Questions with Complete and Certified Answers Light is electromagnetic energy with ____ frequency and a ______ shorter wavelength Higher then shorter fiber optics transmission takes place in _____ portion of the light spectrum IR A simple fiber optic System consist of what 4 parts Transmitter, fiber optic cable, receiver, connecters What absolute power is Dbm referenced to 1 milliwatt Absolute power in optical fiber is specified as Dbm Attenuation in optic...

vitreous humor - ANSWER the transparent, colorless mass of soft, gelatinous material which fills the eyeball behind the lens: 1.42 - ANSWER the index of refraction of the crystalline lens is: 1.37 - ANSWER the cornea has an index of refraction of: 6 - ANSWER the extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______________ of these muscles in each eye. sclera and cornea - ANSWER the fibrous tunic is comprised of th...

FIBER OPTIC COMMUNICATIONS-1 Exam Questions Correct Answers Current Update (A Pass) Refraction is the A. bending of light waves B. reflection of light waves C. distortion of light waves D. diffusion of light waves - Answers -A Losses in optical fibers can be caused by (indicate false statement) A. impurities B. microbending C. attenuation in the glass D. stepped index operation - Answers -D Single mode step index has a core diameter in the range of A. 100 to 1000 micromet...

A student focuses sunlight to a point with a thin converging (convex) lens. Which of these direct measurements can the student make as a result of this experiment? A) The approximate focal length of the lens. B) The approximate wavelength of the light used. C) The approximate speed of light. D) The approximate index of refraction of the lens material. CORRECT ANSWER A) Approximate focal length of lens The bending of a wave around an obstacle is known as A. diffraction. B. deflection. C. r...

ETA Fiber Optics Certification Exam (2024/2025) Questions and Answers Solved Correctly!! Light is electromagnetic energy with ____ frequency and a ______ shorter wavelength - ANSWER Higher then shorter fiber optics transmission takes place in _____ portion of the light spectrum - ANSWER IR A simple fiber optic System consist of what 4 parts - ANSWER Transmitter, fiber optic cable, receiver, connecters What absolute power is Dbm referenced to - ANSWER 1 milliwatt Absolute power in optical ...

How does refractive power of a lens change if its radius of curvature decreases? - The power increases How does refractive power of a lens change if its radius of curvature increases? - power decreases What is radius of curvature in case of a lens? - 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? - Refractive power will increase Calculate the refractive power o...

Fiber Optics (Light Brigade) Questions and Answers Rated A+ When was the first North American commercial fiber optic system installed? 1977 What is a mode in an optical fiber? Path What are the "three Cs" of an optical fiber? Core, Cladding, Coating What are the three critical factors to be considered when working with a fiber optic network? Attenuation, Dispersion, Reflection What does the acronym ITU represent? International Telecommunication Union what are the two most...

CP2 Exam 1 Questions & Answers 2024 In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in the grating is increased, with everything else (including the slit spacing) the same, then - ANSWER-The fringes stay in the same position but get brighter and narrower. White light passes through a diffraction grating and forms a rainbow pattern on a screen behind the grating. For each rainbow, - ANSWER-the red side is farthest from...

OPTICAL COMMUNICATION AND NETWORKING 2 Marks Questions and Answers UNIT - 1 - INTRODUCTION 1. Define a fiber optic system. Fiber optic system consists of a fiber optic cable, a light source and a light detector. The optic fiber is used to carry the light beam from one place to another. 2. What are the uses of optical fibers? a) To transmit the information of telephone communication, computer data, etc. which are in the form of coded light signals b) To transmit the optical imag...

Which of these statements is true regarding the way light travels? A. Sound travels faster than light. B. The speed of light is always the same regardless of the medium through which it travels. C. Light travels as both a wave and a particle. D. Light can not travel through a vacuum. - correct answer -C. Light travels as both a wave and a particle. Light is a curiosity in that it acts as both a wave and a particle. It only changes direction via reflection (bouncing off of something) or r...