Tag: audible, infrasonic and ultrasonic sounds
Questions Related to audible, infrasonic and ultrasonic sounds
Which one has higher frequency?
The property of ultrasonic waves used in manufacturing emulsion for photographic films is its, _____________
The grandparents and parents of two-year old girl are playing with her in a room. A sound source produces a $28 kHz$ sound. Who in the room is most likely to hear the sound?
The audible range in humans is ____________.
Ultrasonic waves.
The range of the wavelength of audible sound that travels with a velocity of 330 m s$^{-1}$ at 0$^{\circ}$ C is 16.5 m - 16.5 mm.
The sound intensity is 0.008 $W/m^2$ at a distance of 10 m from an isotropic point source of power of the source is approximately :
A train running at 108 km/hr towards east whistles at a frequency of 800 Hz. The frequencies heard by a passenger sitting in the train and a person standing near the track whom the train has just passed (Speed of Sound = 330 m/s)
The driver of a car travelling at the speed of $30m/sec$ towards a hill sounds a horn of frequency $600\ Hz$. If the velocity of sound in air is $330m/s$, the frequency of reflected sound as heard by the driver is
Ultrasonic, intrasonic and audible waves travel through a medium with speeds $V _u,V _i,$ and $V _a$ respectively, then (given constant temperature)
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