The following are properties of ultrasound waves as applied in medical imaging, except?1 pointThey are longitudinalThey are electromagneticThey are acousticThey depend upon the medium in which they propagate

Which of these statements is/are true?        I. Water waves are longitudinal.          II. Sound waves are transverse.          III. Sound waves could be polarised.            IV. Microwaves are transverse waves.*1 pointI and II onlyII and III onlyIV onlyAll of the above

Which of the following correctly describes sound waves?A They are transverse waves.B They are a part of the electromagnetic spectrum.C They are longitudinal waves.D They do not require a medium for transmission.

Describe the difference between longitudinal and transversewaves by referring to sound, electromagnetic, seismic andwater waves

Which of the following advanced medical ultrasound technologies has a wide range of elements with different frequencies? ABUS CMUT ultrasound tomography subharmonic imaging

Which wave property determines a) loudness, b) Pitch?Q12. Why are the ceilings of concert halls curved?Q13. How is ultrasound used for cleaning?Q14. Sound is produced due to a vibratory motion, then why a vibrating pendulum doesnot produce sound?Q15. A sound produces 20 crests and 20 troughs in 0.4 sec. Find the frequency of the wave.Q16. Why sound waves are called mechanical waves?