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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
energy in transmitted in space in all directionexample light and sound waves propagating in
energy is transmitted in a plane in two mutually perpendicular directionsexample wave propagating on the surface of
energy is transferred in a one direction onlyexample wave propagating in a stretched
the waves which do not needs medium for their propagation are known as non- mechanical or electromagnetic wavesexamples light heat infrared radio
the waves which needs medium for their propagation are known as mechanical wavesexample waves on string and spring waves on water surface sound
a it is a sort of disturbance which goes by a mediumb material phase is necessary for the propagation of mechanical wavesc when a wave motion goes by
essential properties of the medium for wave propagationi elasticity so that particle can return to their mean position after having been
a wave is a disturbance which transmits power and momentum from one place to the other without the transport of
a formation of domainsb on the basis of domains formedc these are strongly attracted in an external magnetic field ie they easily go from low to high
a spin motion of electronsb on the basis of spin and orbital motion of electronsc these are feebly attracted in an external magnetic field ie have a
a orbital movement of electronsb on the source of orbital motion of electronsc these
on the basis of mutual interactions or behavior of several materials in an external magnetic field the materials are dividing in three basic
magnetic instruments are used to find out the magnetic moment of a bar magnet find out the horizontal component of earths magnetic field compare the
at the neutral position magnetic field because of the bar magnet is just equal and opposite to the horizontal component of earths magnetic
over the universe differ in magnitude from place to place it is get that many places have the similar value of magnetic components the lines are
it is the degree to which a object is magnetized when placed in a magnetic fieldit can also be described as the pole strength per unit cross