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प्रश्न
1 hertz is equal to
पर्याय
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
A microphone is connected to the Y-input of a C.R.O Three different sounds are made in turn in front of the microphone. Their traces (a), (b) and (c) produces on the screen are shown in following figure.
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| (a) | (b) | (c) |
- Which trace is due to the loudest sound? Give reason for your answer.
- Which trace is due for the sound with the lowest pitch? Explain your answer.
Name the sound of the frequency given below:
100 Hz
Name the sound of the frequency given below:
1000 Hz
What is ultrasound?
Explain how do bats locate the obstacles and prey in their way.
What do you understand by the term infrasonic vibrations?
What is Galton’s whistle? To what use is it put?
What are ultrasonic? State and explain two applications of ultrasounds.
What is echocardiography?
The range of audible frequency for the human ear is
