Advertisements
Advertisements
Question
Does SONAR make use of infrasonic sound?
Advertisements
Solution
No, SONAR does not make use of infrasonic waves. Instead, it make use of ultrasonic waves.
APPEARS IN
RELATED QUESTIONS
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.
![]() |
![]() |
![]() |
| (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.
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Complete the following sentence:
Ultrasound is of frequency ___________.
Can you hear the sound produced due to vibrations of a seconds pendulum? Give reasons.
A man can hear the sound of frequency :
What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.
Name three animals which can hear ultrasonic vibrations.
What is Galton’s whistle? To what use is it put?
What are infrasonic and ultrasonic sounds?
Describe a simple method to find the depth of a submerged ship.



