Advertisements
Advertisements
प्रश्न
The sonic boom of an aircraft has a time period of 0.00005s. Calculate the frequency of sound produced.
Advertisements
उत्तर
Time period of sonic boom = T = 0.00005 s
Frequency of sound = f =?
f = `1/"T" = 1/0.00005`
f = `100000/5 = 20000` Hz
∴ f = 200 KHz
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.
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Complete the following sentence:
Bats can produce and hear ___________ sound.
Name the sound of the frequency given below:
1000 Hz
Name the sound of the frequency given below:
40 kHz
State two applications of ultrasound.
What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.
Ultraviolet radiation has a wavelength of 300Å. If the velocity of the electromagnetic wave is 3 × 108 ms-1. Calculate:
- frequency
- time period.
What does SONAR stand for?
Is the energy carried by the ultrasound very high or very low?



