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whenever there is a relative speed among a source of sound and the listener the apparent frequency of sound listen by the listener is dissimilar from
the impression of sound heard by our ears persist in our mind for 110th of a second if another sound is heard before 110 second is over the
beat period the time interval among two successive beats is called as beat periodbeat frequency the number of beats given per second is called as
if the intensity of sound is maximum at time t 0 one beat is known as formed when intensity changes into maximum again after becoming minimum once
when two dissimilar sound rays of slightly different frequencies traveling in a phase along the same direction superimpose on one other the intensity
organ pipes are the musical instruments which are used for making musical sound by blowing air into the line longitudinal stationary pulses are
a the medium separated up into a number of components every part is vibrating up and down as a wholeb all the molecules in single particular segment
1 standing pulse can be longitudinal transverse2 the disturbance confined to a particular part among the starting point and reflecting point of the
when two part of progressive ray trains of similar type having the same amplitude and similar time period wavelength frequency traveling with similar
when two rays of same frequency similar wavelength and similar speed moves in the same direction their superimposition gives result in the
1 these rays transmitted in the forward direction of medium with a finite speed2 energy and momentum are transmitted in the direction of propagation
a medium is known as denser if the velocity of ray in that phase is fewer than the speed of the wave in other phase in comparison to
factors which are affect velocity of sound in gaseous medium is1 effect of density2 effect of pressure3 effect of temperature 4
difference among sound and light wavesi for propagation of sound rays material phase is required but no material medium is needed for light
mach number is the ratio of velocity of source to the velocity of sound mach number velocity of source velocity of
an object moving with a speed better than the speed of sound is called to be move with a supersonic
according to their frequencies waves are separated into three categories1 audible or sound waves range 20 hz to 20 khz these are formed by vibrating
the energy to which the human ears are sensitive is named as sound in general all parts of waves are produced in an elastic material phase
if a traveling wave is a sin or cos function of xplusmn vt the wave than it is said to be harmonic or plane progressive
it is a mathematical explanation of the disturbance prepared by a ray for a string the wave function is a distance for sound rays it is a density or
i time section of vibration of particle is described as the time taken by the particle to complete single vibration about its mean positionii it is
i value of vibration of a particle is described as the number of vibrations done by particle in one secondii it is the value of total wavelengths
i it is the length of single waveii wavelength is similar to the distance covered by the wave during the time in which any one particle of the medium
the maximum displacement of a vibrating particle of medium from its mean position is known as