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प्रश्न
State two applications of ultrasound.
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उत्तर १
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.
उत्तर २
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.
संबंधित प्रश्न
Complete the following sentence:
Ultrasound is of frequency ___________.
What is ultrasound?
What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
What are ultrasonic?
What are ultrasonic? State and explain two applications of ultrasounds.
What does SONAR stand for? Where do we make use of SONAR?
Describe a simple method to find the depth of a submerged ship.
Ultrasound has frequency of vibration
Bats produce ______ sound during screaming.
