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noisean undesirable and unpleasant sound that makes harmful effects on our auditory system is known as
musical soundssound that produces pleasant effects on our ear is known as musical sound such as sound of flute
resonancewhen the frequency of driving force becomes equivalent to the natural frequency of an oscillating system the driving force gives maximum
standing or stationery waveswhen two identical waves of similar amplitude and period moving along the similar line in opposite directions superpose
interference of waveswhen two waves of similar amplitude and period traveling in the similar medium superpose they reinforce each other at one point
longitudinal wavesthe traveling waves in which particles of the elastic medium vibrate about back and forth along the direction of propagation of
transverse wavesthe traveling waves in which particles of the elastic medium vibrate about perpendicular to the direction of propagation of waves are
relation among velocity wavelength and frequencyconsider a wave of wavelength frequency f and travelling with velocity vthe distance travel by the
define wave lengthwave length the distance travel by a wave during the interval in which the particle of the medium done on vibration is called
explain simple pendulumsimple pendulum the a point mass suspended by a weight less and inextensible string to a friction less support is known as a
amplitude the maximum displacement of a body on either side of the mean position during simple harmonic motion is known as amplitude and it is shown
frequency-the number of vibration done per second by an oscillation body is known its frequency it is denoted by v the si unit is
motion of simple pendulumsimple harmonic motion it is a type of vibratory motion in which body has an immediate acceleration whose magnitude is
motion of a swingperiodic motion motion that repeats itself in equal intervals of time is known as periodic
vibratory and oscillatory motion to and fro or back and forth motion of an object is known as vibratory and oscillatory
wavesa disturbance that travels by a medium is called
frequencythe number of vibration done per second by an oscillation body is known its frequency it is denoted by v the si unit is
from personal experience describe whether these processes are endothermic or exothermic give a reason for each a a charcoal
three power plants have been suggested that operate at these efficienciesplantpower plant efficiency i81ii66iii41 a determine the overall
q a what is the origin of fossil fuels b list three fossil fuels c are fossil fuels a renewable resourceanswera coal
a laser beam from 200 watt source is focused on an area of 10-8 m2 determine the magnitude of the pointing vector of the
the maximum value of electric field in an electromagnetic wave is 800vm determine the maximum value of magnetic intensity and the average value of
the magnetic vector potential in a specific region is a constant vector having magnitude 4pix105 units and points along the positive x-axis what is
a medium is characterised by relative permittivity epsilonr45 and relative permeability mur5 determine the speed of e-m wave in the refractive and
in free space electric field intensity is provided as e y 20 cos omegat-50x voltm determine displacement current