Hertz Study guides, Class notes & Summaries

QUESTIONS AND ANSWERS

SONOGRAPHY CANADA PHYSICS CORE EXAM . what is media/medium - ANSWER biological tissue what do all waves carry from one location to another - ANSWER energy sound is a ____________ wave in which particles in the medium move - ANSWER mechanical where can sound not travel - ANSWER in a vacuum are sound waves transverse or longitudinal waves - ANSWER longitudinal the effects of the medium upon the sound wave - ANSWER acoustic propagation properties what are used to distinguish between sound w...

The buying and selling of goods on the internet is called? a. Cash on Delivery b. E-commerce c. On-line banking d. E-Learner correct answer: b. E-Commerce (Electronic Commerce) An example of a portable device that allows the user to access applications by touching the screen is a? a. Scanner b. Desktop Computer c. Tablet d. Printer correct answer: c. Tablet Physical components of a computer system are called? a. Hardware b. Software c. Shareware d. Applications correct...

True or false: Law, in its generic sense, is a body of rules of action or conduct prescribed by controlling authority, and having binding legal force. That which must be obeyed and followed by citizens subject to sanctions or legal consequences is a law. - ANS - True True or false: The Constitution of the United States of America is the supreme law of the land. - ANS - True True or false: A typical State Court Systems contains: Limited-Jurisdiction Trial Courts, General Jurisdiction Trial...

Physics Chapter 19 Exam || All Questions & Answers (Graded A+) Physics Chapter 19 Exam || All Questions & Answers (Graded A+) 1) A wiggle in time is a A) vibration. B) wave. C) both D) neither - ANSWER - A) vibration. 2) A fishing-boat captain returns to port saying, "It's rough out there - the waves are 4 meters high." He probably means that the amplitude of the waves is A) 4 m. B) 3 m. C) 2 m. D) 1 m. - ANSWER - C) 2 m. 3) The amplitude of a particular wave is 1 meter. Th...

what does the word LASER stand for? - correct answer light amplification stimulated emission of radiation what are the four characteristics of a wave? - correct answer wavelength, frequency, velocity, amplitude wavelength - correct answer distance between 2 peaks of the wave measured in nanometers frequency - correct answer number of wave cycles per second; measured in hertz velocity - correct answer speed of light amplitude - correct answer height of the wave what i

3. A cell is minimally defined by ____. a. a nucleus that contains DNA b. an organized chemical system and specialized molecules and subcellular structures surrounded by a membrane c. an organized chemical system for harnessing energy d. a membrane comprised of phospholipids e. specialized molecules that respond to their environment ANSWER: b REFERENCES: 1.1 What Is Life? Characteristics of Living Organisms QUESTION TYPE: Multiple Choice LEARNING OBJECTIVES: DYNS.RUSS.21.01.2 - Identify...

25-pair color code White - Blue, orange, green, brown, slate Red - Blue, orange, green, brown, slate Black - Blue, orange, green, brown, slate Yellow - Blue, orange, green, brown, slate Violet - Blue, orange, green, brown, slate Fiber color code Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua NVP Nominal Velocity of Propagation Insertion loss The difference in the amount of power received before and after something is inserted into the circuit. Resist...

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...

Biology The Dynamic Science 3rd Edition by Russell Hertz and Millan ISBN