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प्रश्न
A man can hear the sound of frequency :
विकल्प
1 Hz
1000 Hz
200 kHz
5 MHz
उत्तर
A man can hear the sound of frequency : 1000 Hz
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संबंधित प्रश्न
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentence:
Elephants produce ____________sound.
State the approximate speed of ultrasound in air.
Explain how do bats locate the obstacles and prey in their way.
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.
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
What are ultrasonic? State and explain two applications of ultrasounds.
Is the energy carried by the ultrasound very high or very low?
State the properties of ultrasound that make it useful.
