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प्रश्न
Ultrasound has frequency of vibration
पर्याय
between 20 and 20,000 Hz
below 20 Hz
above 20,000 Hz
between 500 and 10,000 Hz
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उत्तर
above 20,000 Hz
Explanation:
Ultrasound has frequency of vibration above 20000 Hz.
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संबंधित प्रश्न
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
1000 Hz
What do you understand by the term infrasonic vibrations?
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.
Ultraviolet radiation has a wavelength of 300Å. If the velocity of the electromagnetic wave is 3 × 108 ms-1. Calculate:
- frequency
- time period.
What are ultrasonic?
Is the energy carried by the ultrasound very high or very low?
Describe a simple method to find the depth of a submerged ship.
The range of audible frequency for the human ear is
