Ultrasound Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Sounds of frequency higher than 20,000 Hz which are inaudible to normal human ear are called

1. noise
2. frequency
3. ultrasonic
4. amplitude

MCQ 2: SONAR is the abbreviation of

1. small navigation and random
2. sky navigation and ranging
3. sun nuclear ranging
4. sound navigation and ranging

MCQ 3: A ship sends an ultrasound that returns from the seabed and is detected after 3.42 s. If the speed of the ultrasound through seawater is 1300 ms^-1, then the distance of the seabed from the ship would be

1. 3000 m
2. 2600 m
3. 2200 m
4. 2800 m

MCQ 4: Ultrasonic waves carry more

1. energy only
2. frequency only
3. heat
4. energy and frequency

MCQ 5: The wavelength of ultrasonic waves is

1. more than audible sound
2. less than audible sound
3. equal to audible sound
4. greater than light wave