Advertisements
Advertisements
Question
The sonic boom of an aircraft has a time period of 0.00005s. Calculate the frequency of sound produced.
Advertisements
Solution
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
RELATED QUESTIONS
The sketches I to IV in following Figure show sound waves, all formed in the same time interval.
![]() |
![]() |
| I | II |
![]() |
![]() |
| III | IV |
Which diagram shows
- a note from a musical instrument
- a soft (or feeble) note,
- a bass (low frequency) note.
Which has the higher frequency - ultrasonic sound or infrasonic sound?
Name the sound of the frequency given below:
40 kHz
The properties of ultrasound that make it useful are
What do you understand by the term ultrasonic vibrations?
Name three animals which can hear ultrasonic vibrations.
Ultraviolet radiation has a wavelength of 300Å. If the velocity of the electromagnetic wave is 3 × 108 ms-1. Calculate:
- frequency
- time period.
What are ultrasonic?
State the properties of ultrasound that make it useful.
Ultrasound has frequency of vibration




