Advertisements
Advertisements
प्रश्न
Define the term intensity of a sound wave. State the unit in which it is measured.
Advertisements
उत्तर
The intensity at any point of the medium is the amount of sound energy passing per second normally through unit area at that point. Its unit is microwatt per metre2.
संबंधित प्रश्न
Guess which sound has a higher pitch: guitar or car horn?
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Name the two characteristics of sound which differentiate two sounds from each other.
Before playing the orchestra in a musical concert, a sitarist tries to adjust the tension and pluck the strings suitably. By doing so he is adjusting :
Define the term wave velocity. Write its S.I. unit.
How does the speed of sound depend on (i) Amplitude, and (ii) Wavelength?
Longitudinal waves are produced in solids liquids and also in gases.
Write any two uses of ultrasonic sound.
Explain the types of mechanical waves.
