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heat is the energy that is operated because of differences in temperature among the body and the surrounding the unit of heat energy is joulethe
the temperature of a body is measured indirectly by making use of the fact that certain physical property of a substance changes linearly with the
i open system - here the system boundary is like energy and matter can enter or leave the system freely infect the system boundary here is
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all the given four laws may be written in one relation pv nrt mn rt this formula is known as deal gas equationwhere m mass of the
it is explaining that at similar temperature and pressure equivalent volumes of all gases contain similar number of
the ideal gas approximation the given assumptions are suppose while defining an ideal gasi the number of molecules in the gas is very hugeii the
although conduction does occur in liquids and gases also heat is transmitting in these media mostly by convection in that phenomenon the real motion
heat may be transmitted from one body to the other by any of three possible ways conduction radiation and convection in the conduction convection
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