WorksheetsCh.2 UUP
Total questions: 15
Worksheet time: 8mins
true or false can sound travel through a vacuums?
true sound can travel through anything
false sound cannot travel through a vacuums
what is acoustic propagation
how the medium affects the sound wave
how the sound wave affects the medium
what are the three acoustic variables
pressure
density
time
distance
how do you measure pressure
kg/cm^3
kilograms per centimeter cubed
(Pa)
pascals
(cm)
centimeters
(in)
inches
how do you measure density
ft
feet
Pa
pascals
cm
centimeters
kg/cm^3
kilograms per cm cubed
how do you measure distance
sec
seconds
mile
cm
centimeters
ft
feet
sound waves are what kind of wave
longitudinal waves
moving left to right
transverse waves
moving up and down
which wave is In-phase
1.
2.
3.
which waves are out-of-phase
1.
2.
3.
what happens during constructive interference
two out of phase waves merge and cancel each other out
two in phase waves merge to become one big wave
two in phase waves merge and become small
what happens during deconstructive interference
when two out of phase waves cancel each other out
when two out of phase waves become one small wave
when two in phase waves become one big wave
when two out of phase waves become one big wave
what do waves transfer from one location to another
matter
molecules
energy
water
variations in all the following identify specific waves as acoustic waves EXCEPT
pressure
parameters
density
acoustic variables
which of the following best describe sound waves?
transverse, pressure waves
transverse, longitudinal waves
longitudinal, out of phase waves
longitudinal, pressure waves
what units are used to report the pressure of a sound beam?
pounds
(Plb)
pemdas
(pE)
pascals
(Pa)
periods
(p)
