echo sound

mcqspedia.com has 4 Question/Answers about Topic echo sound

Change in speed of ultrasound causes

Change in speed of ultrasound causes
  • A. reflection
  • B. diffraction
  • C. refraction
  • D. image
  • Correct Answer: Option C

Acoustic impedance is defined as

Acoustic impedance is defined as
  • A. ρ⁄c
  • B. ρc
  • C. c⁄ρ
  • D. ρ+c
  • Correct Answer: Option B

With gel between skin and transducer percentage of reflected intensity of ultrasonic is

With gel between skin and transducer percentage of reflected intensity of ultrasonic is
  • A. 0.03%
  • B. 0.05%
  • C. 0.06%
  • D. 0.08%
  • Correct Answer: Option A

Acoustic impedance of human skin is

Acoustic impedance of human skin is
  • A. None
  • B. None
  • C. None
  • D. None
  • Correct Answer: Option B