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Question
What are ultrasonic? State and explain two applications of ultrasounds.
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Solution
Ultrasonic sound is the sound having frequency more than 20KHz. The application of ultrasonic sound is as follows:
(i) It is used to detect the flaws in metal casting of automobile tyres.
(ii) Used in hospitals to detect defects in certain parts of the body.
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RELATED QUESTIONS
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| I | II |
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| III | IV |
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