Class 10 Online Courses

Class 10 physics Practice Tests

Class 10 Physics Online Tests

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The e-Book Ultrasound Multiple Choice Questions (MCQ Quiz) with answers, ultrasound MCQs PDF download to learn online 10th grade physics certificate courses. Solve Sound Multiple Choice Questions and Answers (MCQs), Ultrasound quiz answers PDF for high school certificate courses. The Ultrasound MCQ App Download: Free learning app for reflection (echo), characteristics of sound, physics: sound waves, sound and sound waves test prep for online certifications.

The MCQ Sounds of frequency higher than 20,000 Hz which are inaudible to normal human ear are called: noise, frequency, ultrasonic and amplitude with "Ultrasound" App Download (Free) for high school certificate courses. Study sound quiz questions, download Amazon eBook (Free Sample) for virtual high school.

## Ultrasound MCQ Quiz : Physics MCQs

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

A) noise
B) frequency
C) ultrasonic
D) amplitude

MCQ 2: SONAR is the abbreviation of

C) sun nuclear 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

A) 3000 m
B) 2600 m
C) 2200 m
D) 2800 m

MCQ 4: Ultrasonic waves carry more

A) energy only
B) frequency only
C) heat
D) energy and frequency

MCQ 5: The wavelength of ultrasonic waves is

A) more than audible sound
B) less than audible sound
C) equal to audible sound
D) greater than light wave

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