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Question
State two applications of ultrasound.
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Solution 1
Two applications of ultrasound:
(i) Ultrasound is used for drilling holes or making cuts of desired shape in materials like glass.
(ii) Ultrasound is used in surgery to remove cataract and in kidneys to break the small stones into fine grains.
Solution 2
Applications of Ultrasonic sound
(i) Ultrasonic sound is used to detect the flaws in metal castings of automobile tyres.
(ii) It is used in hospitals to detect defects in certain parts of the body.
RELATED QUESTIONS
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Complete the following sentence:
Infrasonic sound is of frequency ______________.
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
40 kHz
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State four practical uses of ultrasonic vibrations.
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