Brightness - Study guides, Class notes & Summaries

Which of the following is best used to describe patient dose in computed tomography? correct answers CTDI & MSAD Gray-level mapping is an example of a: correct answers point processing technique The British Department of Health and Social Security assisted in the development of the first clinically useful computed tomography scanner. correct answers True In which of the following is the brightness level of each pixel in a picture measured by a photomultiplier tube? correct answers sampl...

Penn Foster Color Theory Questions and Answers Already Passed What are the three primary colors used in traditional color theory? Red, blue, and yellow What happens when you mix complementary colors together? They neutralize each other, producing a gray or brown color. Which color is created by mixing blue and yellow? Green What is the term for colors located directly opposite each other on the color wheel? Complementary colors What is the effect of adding white to a colo...

Classifications of Lasers Correct Answer-1) Class 1 = safest, incapable of causing damage (CAUTION) 2) Class 2 = visible continuous wave and repetitive wave (CAUTION) 3) Class 3R (IIIA)= EYE SAFE unless viewing with glass (DANGER) 3) Class 3B = not eye safe, 5-500mW. (DANGER) 4) Class 4 = fire hazard, not safe under any viewing conditions (DANGER) GLARE vs Pointer Correct Answer-LASER pointer = keep tight spot over long distances to point out at targets GLARE = uses intense brightness...

Gizmo Scavenger Hunt-8th Grade Statewide Science Questions and Answers Latest (Graded) What is wrong with this experiment? There isn’t a control variable everything is changing, like the amount of water the plant receives, and the amount of sunlight. 15 pts (SC.8.N.1.1) Create a controlled experiment using one of the following Gizmos (Growing Plants, Coral Reefs Gizmo, Food Chain Gizmo, Conduction & Convection Gizmo, Force & Fan Carts Gizmo, Fan Cart Physics Gizmo, Sled Wars Gizmo, ...

A large luminosity star - Emits more light than a low luminosity star If a red giant appears the same brightness as a red main sequence star, which one is further away? - The red giant The heaviest nuclei of all are formed - During a supernova explosion Hydrogen-2 + proton = ? - Hydrogen-2 + proton = Helium-3 Why does the main sequence part of a star's life end? - The hydrogen in the core is exhausted Many of the brightest 100 stars viewed from Earth are not on the main sequence (even tho...

Space Exploration|Complete Questions with A+ Graded Answers main sequence a diagonal area on an H-R diagram that includes more than 90 percent of all stars white dwarf A small, hot, dim star that is the leftover center of an old star Luminosity the true brightness of an object light year the distance light travels in one year blueshifted the doppler shift toward shorter wavelengths of light from an approaching object Redshifted stars moving away from Earth Ne...

WELL AP Exam Final Questions & Answers 2024/2025 elements necessary to execute Photocatalytic oxidation (PCO) - ANSWERSA combination of UV light rays with TiO2-coated filter (Feature 23, Advanced Air Purification within the Air concept) How large must a space be to require a Demand Controlled Ventilation measure? - ANSWERS500 sf with occupant density greater than 25 people per 1,000 square feet Largest environmental health risk in the world - ANSWERSAir pollution Rod Cells - ANSWER...

Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatomy 9th Edition Lampignano Test Bank for Bontragers Textbook of Radiographic Positioning and Related Anatom...

Ionic Character correct answersdifference between in electronegativity between two atoms cation correct answerspositively charged ions anion correct answersnegatively charged ions Which organic compound smells like fruit? correct answersesters - mostly found in fruits Compound correct answerssubstance containing two or more chemical elements held together by chemical bonds What type of reaction is the process of fermentation? correct answersexothermic (converting sugar into alcoho...

_______ ______ Artifact (AKA _____ _________ Artifact) occurs when the slice thickness is WIDER than the structure being imaged - ️️Partial Volume Artifact (AKA Slice thickness artifact) When The spatial resolution is equal in all dimensions or imaging planes, it is considered _________ Resolution - ️️Isotropic Resolution Advantages of 3D scanning (over 2D): (2) - ️️1) The ability to display image planes impossible to display with 2D imaging. 2) The ability to display orthogon...