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प्रश्न
The properties of ultrasound that make it useful are
विकल्प
High power and high speed
High power and good directivity
High frequency and high speed
High frequency and bending around the objects.
MCQ
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उत्तर
The properties of ultrasound that make it useful are High power and good directivity
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संबंधित प्रश्न
Name the sound of the frequency given below:
100 Hz
State the approximate speed of ultrasound in air.
State two applications of ultrasound.
A man can hear the sound of frequency :
Sonar makes use of :
What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.
State four practical uses of ultrasonic vibrations.
What are infrasonic and ultrasonic sounds?
1 hertz is equal to
Ultrasound has frequency of vibration
