Electromagnetic wave - Study guides, Class notes & Summaries

BTEC Applied Science Unit 1 Physics - C Waves in Communication C3 Electromagnetic waves in communication / Btec Applied Science Unit 11 Assignment C Full Assignment What is the electromagnetic spectrum? - ANS-The range of wavelengths or frequencies over which electromagnetic radiation extends. State the order of the electromagnetic spectrum (longest wavelength and lowest frequency --> lowest wavelength and highest frequency). - ANS-Radio waves, microwaves, infrared radiation, visible light,...

MTN COMM Exam Study Guide. Omni-directional - answerRadiates and receives radio waves in ALL directions. Uni-directional - answerRadiates and receives radio waves in ONLY ONE direction. Bi-directional - answerRadiates and receives radio waves in TWO directions. Diffraction - answerThe process by which electromagnetic waves are bent so that they appear behind an obstruction. Directivity - answerThe property of radiating more energy in some directions than in others. Gain - answerThe increa...

BTEC Applied Science Unit 1 Physics - C Waves in Communication C3 Electromagnetic waves in communication / Btec Applied Science Unit 11 Assignment C Full Assignment What is the electromagnetic spectrum? - ANS-The range of wavelengths or frequencies over which electromagnetic radiation extends. State the order of the electromagnetic spectrum (longest wavelength and lowest frequency --> lowest wavelength and highest frequency). - ANS-Radio waves, microwav...

Radiation Protection in Medical Radiography/ Final Exam 2023 Which of the following is a form of radiation that is capable of creating electrically charged particles by removing orbital electrons from the atom of normal matter through which it passes? a. Ionizing radiation b. Nonionizing radiation c. Subatomic radiation d. Ultrasonic radiation - ANSWER-a. Ionizing Radiation The millisievert (mSv) is equal to a. 1/10 of a sievert. b. 1/100 of a sievert. c. 1/1000 of a sievert. d. ...

CETA Exam Questions And Answers VGA - ANSWER- 640 x 480 256 Colors 15 Pins SVGA - ANSWER- 800 x 600 256 Colors 15 Pins XGA - ANSWER- 1024 x 768 or 1366 x 768 16 mil, HD Colors 15 Pins Widescreen - ANSWER- 1280 x 720 or 1920 x 1080 DVI or HDMI Connectors Random Access Memory - ANSWER- RAM Read Only Memory - ANSWER- ROM Programmable Read Only Memory - ANSWER- PROM Electrical Programmable Read Only Memory - ANSWER- EPROM Electrically Erasable PROM - ANSWER- EEPROM 50 Ohms - ANSWE...

The longer the wavelength the higher the energy of an electromagnetic wave - False Which of the following elements has a valence of two? - Oxygen and Sulfur What type of bond is formed by the equal sharing of valence electrons? - A non-polar covalent bond Polar molecules, such as water, will commonly participate in which of the following intermolecular interactions - Hydrogen bonding with polar molecules. Electrostatic interaction with ionic compounds. Which of the following compounds wou...

Test Bank on Essentials of Dental Radiography 9th Edition By Evelyn Thomson,Orlen Johnson Table of Contents Chapter 1 ....................................................................................................................................... 2 Chapter 2 ....................................................................................................................................... 9 Chapter 3 ........................................................................................

The visible part of the electromagnetic spectrum can be divided into seven color bands: red, orange, yellow, green, blue, indigo, and violet (from long to short wavelength). A single photon of which of these colors has the greatest amount of energy? correct answers Violet Compared to visible radiation, does infrared radiation have longer or shorter wavelengths and higher or lower energy per photon? correct answers longer; lower Why are near-infrared telescopes located on mountaintops and u...

Different tissues that have signals that appear similar on an MR image are described as: A) hypointense B) hyperintense C) isointense D) isodense - Answer isointense in a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton has been described as wobbling like a spinning top. this motion is called A) precession B) resonance C) frequency D) angular momentum - Answer precession magnetic resonance imaging is derived from the process known as: A) ma...

LASER - ANS Light amplification by the stimulated emission of radiation Light consist of many wave lengths - ANS Laser consist of just one The FDA approved lasers for permanent hair reduction - ANS In. 1997 When was the Ruby crystal laser invented - ANS In 1960 The Ruby crystal uses what wavelength - ANS 694 nm In 1960 the ruby crystal was invented and used for - ANS Dermatology and ophthalmology ELECTROMAGNETIC SPECTRUM of RADIATION - ANS Vis...