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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.
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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
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 ______________.
A man can hear the sound of frequency :
What do you understand by the term infrasonic vibrations?
Ultraviolet radiation has a wavelength of 300Å. If the velocity of the electromagnetic wave is 3 × 108 ms-1. Calculate:
- frequency
- time period.
Does SONAR make use of infrasonic sound?
What is echocardiography?
What are hearing aids?
The range of audible frequency for the human ear is
