Focal length Study guides, Class notes & Summaries

Focal Length correct answers F.L. = 1 / Diopter Diopter = 1 / F.L (meters) Prism correct answers Δ = Diopter / Meters Diopters = Δ * Meters Meters = Diopters / Δ Prentices Rule correct answers Δ = (Diopters * decentration (mm)) / 10 Diopters = (Δ * 10) / dec (mm) dec (mm) = (Δ * 10) / Diopters Radius of Curvature (Contact Lens) correct answers Radius of Curvature (mm) = 337.5 / (K Reading in Diopters) K Reading in Diopters = 337.5 / (Radius of Curvature in mm) Radius of ...

150 mm - When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mm - What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers - Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers

ABO Prep/ ABO -American Board of Opticianry Questions | 100% Correct Questions and Answers Diopter [Correct Ans: - optical unit of measurement that describes deviation of light after it passes through a lens. Can be used to describe a lens surface, or prism. In increments of 0.12 Focal length [Correct Ans: - the distance from the back of a lens to the focal point. focal point [Correct Ans: - the point at which rays of light converge FL = 1M/Diopter [Correct Ans: - Diopter=1M/FL op...

ABO EXAM PRE-TEST When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm - ANSWER 150 mm What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters - ANSWER 500 mm Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers - ANSWER ...

List full stop apertures - 1.4, 2, 2.8, 4, 5.6, 8, 11, 16, 22, 32 list whole shutter speeds - 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000, 1/2000 colors in order of triangle - Red yellow green cyan blue magenta exposure = - fstop x shutter speed What is a BIT? - The smallest unit of information consisting of either a 1 or a zero. It can only represent two possibilities - either yes or no, black or white. What is a color profile? - A mathematical translator assigned to ...

ABO EXAM PRE-TEST QUESTIONS AND ANSWERS 2023 150 mm - ️️ When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mm - ️️ What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers - ️️ Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVC - ️️ Which of the following has the shortest and therefore most harm...

What is an advantage of single crystal- or pure-wave crystal transducer? A) wide bandwidth B) lower frequencies at higher resolution C) absence of aliasing with pulsed Doppler D) higher frame rate E) greater steering angles - Answer- A If you wish to perform a sonogram with the largest possible field of view in the near field and at depth, what type of array transducer would be preferable? A) linear array B) curved array C) phased array D) sector E) all of the above - Answer- ...

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. Answer - A) Approximate focal length of lens The bending of a wave around an obstacle is known as A. diffraction. B. deflection. C. refract...

ABO EXAM PRE TEST WELL STRUCTURED QUESTIONS AND VERIFIED ANSWERS 2024 GRADED A+ LATEST GUIDE. 2 / 15 1. When ordering a six inch temple, its corresponding millimeter value iswhich of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 2. What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters 3. Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers 4. Which of the following has the shortest and therefore most...

Chapter 9 Describing a Sound Beam 1. Focus 2. Near Zone 3. Focal length or near zone length 4. Far Zone 5. Focal Zone DETERMINING FOCAL DEPTH SOUND BEAM DIVERGENCE TRANSDUCER DIAMETER AND FREQUENCY SPHERICAL WAVES AND HUYGEN'S PRINCIPLE Chapter 10 - AXIAL AND LATERAL RESOLUTION FOCUSING what happen to a beam when it focused ? Pictures included for a easier and batter understanding Includes some questions of the book