Q. Ultrasonic waves find not wide applications in engineering and industry
Solution:
Ultrasonic waves ind wide applications in engineering and industry as follows.
- 
Non destructive testing(detection of flaws in metals)
 - 
Ultrasonic drilling
 - 
Ultrasonic welding
 - 
Ultrasonic drilling
 - 
Ultrasonic soldering
 - 
Ultrasonic cutting and machinery
 - 
Ultrasonic cleaning
 - 
Sonar
 
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