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a cylinder of gas at room temperature has a pressure p1 to what temperature in degrees celsius would the temperature
a quantity of gas in a piston cylinder has a volume of 0500 m3 and a pressure of 200 pa the piston compresses the gas
what are the si units fora wavelengthb frequencyc period andd amplitudehow many values of amplitude are there in one
which end blue or red of the visible spectrum has the longer wavelength which has the higher frequency how are the
are radio waves sound waves explain what is the range of wavelengths of visible light how do these wavelengths compare
what is a rarefaction which is longer the wavelength of infrasound or the wavelength of ultrasoundwhat is the chief
referring to fig 612 indicate over how many squares the sound waves would spread for r 5 m the sound intensity would
can humans hear ultrasound give some examples of applications of ultrasound why does the music coming from a band
does doubling the decibels of a sound intensity level double the intensity explain why is lightning seen before thunder
how is the wavelength of sound affected whena a sound source moves toward a stationary observer andb the observer moves
radar and sonar are based on similar principles sonar which stands for sound navigation and ranging uses ultrasound and
what determines the pitch or frequency of a string on a violin or a guitar how does a musician get a variety of notes
an electromagnetic wave has a wavelength of 600 x 10-6 m in what region of the electromagnetic spectrum is this
compute the wavelength of the radio waves froma an am station operating at a frequency of 650 khz andb an fm station
a sound wave has a frequency of 2000 hz what is the distance between crests or compressions of the wave take the speed
waves moving on a lake have a speed of 20 ms and a distance of 15 m between adjacent crestsa what is the frequency of
a periodic wave has a period of 040 s what is the wave frequency what is the period of the wave motion for a wave with
standing waves are set up in organ pipes consider an organ pipe with a fixed length which may be open or closed an open
we cannot see ultraviolet uv radiation which can be dangerous to the eyes however we can detect some uv radiations
if an astronaut on the moon dropped a hammer would there be sound explain follow-up how do astronauts communicate with
well what do you think if a tree falls in the forest and no one is around to hear it is there sound see chapter-opening
what is the effect when a system is driven in resonance is a particular frequency required explain would you expect to
approximately how long would it take for a telephone signal to travel 3000 mi from coast to coast across the united
during a thunderstorm 45 s elapses between observing a lightning flash and hearing the resulting thunder approximately
picnickers see a lightning flash and hear the resulting thunder 90 s later if the storm is traveling at a rate of 15