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प्रश्न
1 hertz is equal to
विकल्प
1 vibration per minute
10 vibrations per minute
60 vibrations per minute
600 vibrations per minute
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उत्तर
60 vibrations per minute
Explanation:
1 Hz = 1 vibration per second = 60 vibrations per minute
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संबंधित प्रश्न
The sketches I to IV in following Figure show sound waves, all formed in the same time interval.
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| I | II |
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| III | IV |
Which diagram shows
- a note from a musical instrument
- a soft (or feeble) note,
- a bass (low frequency) note.
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Name the sound of the frequency given below:
40 kHz
A man can hear the sound of frequency :
The properties of ultrasound that make it useful are
What does SONAR stand for?
What are ultrasonic? State and explain two applications of ultrasounds.
What are infrasonic and ultrasonic sounds?
State the properties of ultrasound that make it useful.
Bats produce ______ sound during screaming.




