Advertisements
Advertisements
प्रश्न
What does SONAR stand for?
Advertisements
उत्तर
SONAR stands for "sound navigation and ranging".
APPEARS IN
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.
 |
 |
 |
| (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 sentence:
Infrasonic sound is of frequency ______________.
Complete the following sentence:
Bats can produce and hear ___________ sound.
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.
The properties of ultrasound that make it useful are
State four practical uses of ultrasonic vibrations.
Does SONAR make use of infrasonic sound?
State the properties of ultrasound that make it useful.
Bats produce ______ sound during screaming.
