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

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...

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...

ABO ADVANCE QUESTIONS AND ANSWERS >> 2024 VERSION 100% ACCURATE 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 l...

Who is the father of microscopy? Antonie van Leeuwenhoek Lamp: produces visible light to illuminate the specimen Condenser: collects light and directs it through the stage opening (converges or focuses the rays of light to a single point) Iris diaphragm: regulates the amount of light available to the objective lens Factors that affect microscope function: Resolving power, numerical aperture, magnification, working distance Resolving power: ability of a microscope to differentiate two ...

SPI Ultrasound Physics Review Exam - Questions and Answers Relates to likelihood of harmful bio effects from cavitation Mechanical index Predicts maximum temperature increase Thermal index Measures output intensity of the beam Hydrophone Region of increased brightness due to higher intensities in focal zone Focal banding Occurs when sound travels through a medium with a lower attenuation rate than the surrounding tissue Enhancement Beam travels through an area of high attenuation Shadowing Bea...

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 system consists of what four...

ETA-I Study Guide (Fiber Optics Installer Certification) (FOI) Latest Update Graded A+ 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 optica...

ABO exam Exam Questions And Correct Answers, With Complete Verified Solution. 100% Correct. vitreous humor the transparent, colorless mass of soft, gelatinous material which fills the eyeball behind the lens: 1.42 the index of refraction of the crystalline lens is: 1.37 the cornea has an index of refraction of: 6 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 a...

give the correct order of receiver operations - 1. amplification 2. compensation 3. compression 4. demodulation 5. reject (low or high) frequency and (low or high) amplitude, will cause an increase in the mechanical index and the risk for cavitation - low frequency, high amplitude give the correct units for each: circumference: area: volume: - circumference: cm area: cm squared (cm^2) volume: cm cubed (cm^3) when PRP increases, frame rate .... - increases period X number of cycles ...

The amount of reflection of each surface of cr-39 lenses is approximately? A. 2% B. 4% C. 6% D. 8% - 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 - C. Thickness and len transmission The denser the tint in a lens____ A. The greater transmission of light through the lens B. The greater internal reflections in th...