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प्रश्न
Which has the higher frequency - ultrasonic sound or infrasonic sound?
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उत्तर
Ultrasonic sound has higher frequency than infrasonic sound.
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
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
State the approximate speed of ultrasound in air.
State two applications of ultrasound.
State four practical uses of ultrasonic vibrations.
An electromagnetic wave has a time period of 4 × 10-8 s. Calculate its frequency in MHz.
Is the energy carried by the ultrasound very high or very low?
Bats produce ______ sound during screaming.
The range of audible frequency for the human ear is
