Constructive waves - Study guides, Class notes & Summaries

ARDMS- SPI EXAM | QUESTIONS & ANSWERS | ALREADY GRADED A+ | UPDATED 2024 The horizontal axis, or x-axis Runs side to side The vertical axis, or y-axis Runs up and down Unrelated Two items that are not associated Related or Proportional Two items that are associated or affiliated However, the relationship between the items does not have to be specified Directly related or Directly proportional Two items that are associated such that when one item increases, the other in...

Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical correct answers D The speed of sound of ultrasound in soft tissue is closest to: a) 1,540 km/sec b) 1.54 km/sec c) 1,500 m/s d) 1,540 mm/sec correct answers C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity correct answers D The effects of soft tissue on ultrasound are called: a) acoustic proliferation properties b) dynamic effects ...

SPI Comprehensive Mock Exam Questions with all the correct answers Updated 2024 Sound waves are: A. Electric B. Mechanical, transverse C. Spectral D. Longitudinal, mechanical Longitudinal, mechanical The speed of US in soft tissue is closest to: A. 1.540 km/sec B. 1.54 km/section C. 1,500 m/s D. 1,540 mm/sec 1,500 m/s The frequency closest to the lower limit of US is: A. 19,000 kHz B. 10,000 MHz C. 20,000 msec D. 15,000 Hz 15,000 Hz Which is NOT an acoustic variable? A. Den...

mole - 6.022 x 10^23 things number of particles that allows us to convert from the molecular to the macroscopic level limiting reactant/reagent - amount of one of the reactants which limits how much product can be formed. smallest amount. percent yield - actual/theoretical x 100 electromagnetic radiation - wavelength - The distance between two corresponding parts of a wave. seconds/wave. 1/frequency. measured in m amplitude - Height of a wave frequency - waves/second. 1/wavelength. meas...

CEM 141 PASSED Exam Questions and CORRECT Answers Evidence that light is a wave - Ans Light is a wave because when light goes through 2 slits a diffraction pattern occurs. Reasoning that light is a wave - Ans the waves from each slit meet "in phase" or "out of phase" when the waves meet in phase constructive interference occurs and the wave intensity increases. this is seen by bright spots in the patterns. when the waves meet out of phase destructive interference occurs and the w...

mole - 6.022 x 10^23 things number of particles that allows us to convert from the molecular to the macroscopic level limiting reactant/reagent - amount of one of the reactants which limits how much product can be formed. smallest amount. percent yield - actual/theoretical x 100 electromagnetic radiation - wavelength - The distance between two corresponding parts of a wave. seconds/wave. 1/frequency. measured in m amplitude - Height of a wave frequency - waves/second. 1/wavelength. mea...

- greatest contributor to attenuation in tissues - Potential source of bio-effects (discussed later) acoustic speckle - noise resulting from the constructive and destructive interference of small sound wavelets -grainy appearance Amplitude - -For a wave or vibration, the maximum displacement on either side of the equilibrium (baseline) position. - positive amplitudes (above baseline) and negative amplitudes (below baseline) -units that are appropriate to the acoustic variable considered ...

ATSC Sail Quiz Latest Version with Certified Solutions The factors that affect wave formation include: Fetch, duration, distance Fetch & wind velocity Fetch, wind velocity, distance Fetch, wind velocity, duration Duration & wind velocity Fetch, wind velocity, duration Drag is: (a) & (b) (b) & (c) (b) Friction when wind moves across the surface of water (a) Friction when wind moves across the surface of air (c) Force that acts against the relative motion of one fluid with respect to ano...

50. What is the range of periods commonly found in waves produced by ultrasound systems? A. 0.001 to 1s B. 0.06 to 0.5 us C. 0.2 to 1 ms D. 10 to 100 ns - ANSWER-B. Ultrasonic imaging waves have a period in ps. The period is the range of 0.06 to 0.5 the time of a single cycle. Period is the loolto reciprocal of frequency. A wave with a frequency of 2 MHz has a period of 0.5 usec. A wave with a frequency of 15 MHz has a period of 0.06 us. 51. With standard ultrasonic imaging, what happ...

what conditions are required for sand dune formation?correct answers -a large flat beach -a large supply of sand formed by constructive waves -a large tidal range so sand has time to dry -onshore wind to move sand to the back of the beach - prevailing winds (strong and fast enough) -an obstacle such as driftwood for the dune to form against characteristics/ nature of sand dunescorrect answers •Coastal dunes are accumulations of sand •This sand is shaped into mounds b...