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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.
 |
 |
| I | II |
 |
 |
| III | IV |
Which diagram shows
- a note from a musical instrument
- a soft (or feeble) note,
- a bass (low frequency) note.
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 ______________.
What is ultrasound?
How do bats locate their prey during a flight?
What are ultrasonic?
What does SONAR stand for?
What are infrasonic and ultrasonic sounds?
State the main components of a hearing aid.
