Wavelength mm - Study guides, Class notes & Summaries

ABO EXAM PRE-TEST COMPLETE QUESTIONS WITH 100% CORRECT ANSWERS. 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 harmful wavelength...

) variables A wave is a traveling variations in quantities called wave _________________. A) length B) variables C) cycles D) periods D) acoustic Sound is a traveling variations in quantities called _________________ variables. A) wave B) pressure C) density D) acoustic C) 20,000 Ultrasound is a sound with a frequency greater than ____________ Hz. A) 2 B) 15 C) 20,000 D) 1540 D) pressure, density Acoustic variables include __________________, ____________, and part...

Sound waves are: - longitudinal, mechanical The speed of sound in soft tissue is closest to: - 1,500 m/s The frequency closest to the lower limit of ultrasound is: - 15,000 Hz Which is not an acoustic variable? - intensity The effects of soft tissue on ultrasound are called: - acoustic propagation properties All of the following are true EXCEPT: - two waves with identical frequencies must interfere constructively Put in decreasing order: deci, deca, micro, centi - deca, deci, c...

Fiber Optic Final Questions and Answers 100% CorrectFiber Optic Final Questions and Answers 100% CorrectFiber Optic Final Questions and Answers 100% CorrectFiber Optic Final Questions and Answers 100% CorrectWhat is "Fiber Optics"? - ANSWER - Transmitting communication signals over hair thin strands of glass or plastic. Multimode Fiber (MM) - ANSWER - Large core fiber used for slower premises (indoor) networks. Operates in wavelengths 850 nm and 1300 nm. Can send multiple modes at once. ...

SPI PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS ALREADY PASSED A+ 2024 Sound waves are: - ANS-longitudinal, mechanical The speed of sound in soft tissue is closest to: - ANS-1,500 m/s The frequency closest to the lower limit of ultrasound is: - ANS-15,000 Hz Which is not an acoustic variable? - ANS-intensity The effects of soft tissue on ultrasound are called: - ANS-acoustic propagation properties All of the following are true EXCEPT: - ANS-two waves with identical frequencies mus...

150 mm - correct answerWhen 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 - correct answerWhat is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers - correct answerWavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVC - correct answerWhich of the following has the shortest and therefore most harmful waveleng...

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 harmful wavelength? A. UVC B. UVB C. UVA D. INFRARED

Sound waves are: a) electric b) mechanical, transverse c) spectral d) longitudinal, mechanical -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 -answers - C Which is not an acoustic variable? a) density b) pressure c) distance d) intensity -answers - D The effects of soft tissue on ultrasound are called: a) acoustic proliferation properties b) dynamic effects c) acoustic pr...

ARDMS SPI STUDY GUIDE CERTIFICATION EXAM Q&A In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - CORRECT ANSWER-Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - CORRECT ANSWER-20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - CORRECT ANSWER-Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes f...

. A sound wave is: a. transverse b. electromagnetic c. mechanical, longitudinal d. transverse, longitudinal c. mechanical, longitudinal 2. A compression area of a sound wave is: a. high pressure, low density b. low pressure, low density c. high pressure, high density d. low pressure, high density c. high pressure, high density 3. A rarefaction area of a sound wave is: a. high pressure, low density b. low pressure, low density c. high pressure, high density d. low pressure, high d...