WGU C165 Section 1 Physics: Lessons 10-12
Questions with Correct Answers 2025
Waves:N-NCORRECTNANSWERN-
aNrepeatingNandNperiodicNdisturbanceN(oscillation)NthatNtravelsNfromNoneNlocationNtoNanother,Ntra
nsferringNenergy.
transverseNwave:N-NCORRECTNANSWERN-
aNwaveNwhereNtheNoscillationNisNperpendicularNtoNtheNdirectionNtheNwaveNisNtraveling
longitudinalNwave:N-NCORRECTNANSWERN-
aNwaveNwhereNtheNoscillationNisNparallelNtoNtheNdirectionNtheNwaveNisNtraveling
oscillation:N-NCORRECTNANSWERN-aNrepetitiveNmotionNthatNusuallyNoccursNaboutNaNcenterNpoint
electromagneticNwave:N-NCORRECTNANSWERN-
aNcombinationNofNanNoscillatingNelectricNfieldNandNanNoscillatingNmagneticNfield;NelectromagneticN
wavesNcanNtravelNthroughNbothNtheNvacuumNofNspaceNandNaNmedium
equilibrium:N-NCORRECTNANSWERN-
aNpositionNorNstateNtoNwhichNanNoscillatingNobjectNeventuallyNreturnsNafterNaNdisturbanceNisNgone
mechanicalNwaves:N-NCORRECTNANSWERN-
wavesNthatNcanNtravelNonlyNthroughNmatterNandNrequireNaNmediumNtoNtransportNtheirNenergy
vacuum:N-NCORRECTNANSWERN-aNspaceNinNwhichNthereNisNnoNmatter
, WhatNisNaNwave?N-NCORRECTNANSWERN-
ANwaveNisNaNrepeatingNandNperiodicNdisturbanceN(oscillation)NthatNtravelsNfromNoneNlocationNtoNa
nother,NtransferringNenergy.
GiveNanNexampleNtoNillustrateNhowNaNwaveNtransportsNenergyNfromNoneNplaceNtoNanotherNwithout
NtransportingNmatter.N-NCORRECTNANSWERN-
ANclassicNexampleNisNtheNwayNoceanNwavesNtransportNenergyNacrossNtheNsurfaceNofNtheNwater.NAsN
aNwaveNtravels,NitNmovesNenergyNfromNoneNlocationNtoNanotherNwithoutNmovingNtheNwaterNitselfNs
ignificantly;NtheNwaterNparticlesNmoveNinNcircularNorbits,NpassingNtheNenergyNalongNwhileNlargelyNs
tayingNinNtheirNoriginalNposition.
DistinguishNbetweenNmechanicalNandNelectromagneticNwaves.
MechanicalNWaves:N-NCORRECTNANSWERN-
·NMediumNRequired:NMechanicalNwavesNneedNaNmediumN(solid,Nliquid,NorNgas)NtoNtravelNthroughN
becauseNtheyNrelyNonNtheNvibrationNofNparticlesNwithinNtheNmediumNtoNtransferNenergy.
·NExamples:NSoundNwaves,NwaterNwaves,NandNseismicNwaves.
·NPropagation:NTheNwaveNtravelsNbyNcausingNparticlesNinNtheNmediumNtoNoscillateNandNtransferNen
ergyNfromNoneNparticleNtoNtheNnext.
DistinguishNbetweenNmechanicalNandNelectromagneticNwaves.
ElectromagneticNWaves:N-NCORRECTNANSWERN-
·NMediumNNotNRequired:NElectromagneticNwavesNdoNnotNneedNaNmedium;NtheyNcanNtravelNthroug
hNaNvacuumN(space)NbecauseNtheyNpropagateNthroughNoscillatingNelectricNandNmagneticNfields.
·NExamples:NLightNwaves,NradioNwaves,NX-rays,NandNmicrowaves.
Questions with Correct Answers 2025
Waves:N-NCORRECTNANSWERN-
aNrepeatingNandNperiodicNdisturbanceN(oscillation)NthatNtravelsNfromNoneNlocationNtoNanother,Ntra
nsferringNenergy.
transverseNwave:N-NCORRECTNANSWERN-
aNwaveNwhereNtheNoscillationNisNperpendicularNtoNtheNdirectionNtheNwaveNisNtraveling
longitudinalNwave:N-NCORRECTNANSWERN-
aNwaveNwhereNtheNoscillationNisNparallelNtoNtheNdirectionNtheNwaveNisNtraveling
oscillation:N-NCORRECTNANSWERN-aNrepetitiveNmotionNthatNusuallyNoccursNaboutNaNcenterNpoint
electromagneticNwave:N-NCORRECTNANSWERN-
aNcombinationNofNanNoscillatingNelectricNfieldNandNanNoscillatingNmagneticNfield;NelectromagneticN
wavesNcanNtravelNthroughNbothNtheNvacuumNofNspaceNandNaNmedium
equilibrium:N-NCORRECTNANSWERN-
aNpositionNorNstateNtoNwhichNanNoscillatingNobjectNeventuallyNreturnsNafterNaNdisturbanceNisNgone
mechanicalNwaves:N-NCORRECTNANSWERN-
wavesNthatNcanNtravelNonlyNthroughNmatterNandNrequireNaNmediumNtoNtransportNtheirNenergy
vacuum:N-NCORRECTNANSWERN-aNspaceNinNwhichNthereNisNnoNmatter
, WhatNisNaNwave?N-NCORRECTNANSWERN-
ANwaveNisNaNrepeatingNandNperiodicNdisturbanceN(oscillation)NthatNtravelsNfromNoneNlocationNtoNa
nother,NtransferringNenergy.
GiveNanNexampleNtoNillustrateNhowNaNwaveNtransportsNenergyNfromNoneNplaceNtoNanotherNwithout
NtransportingNmatter.N-NCORRECTNANSWERN-
ANclassicNexampleNisNtheNwayNoceanNwavesNtransportNenergyNacrossNtheNsurfaceNofNtheNwater.NAsN
aNwaveNtravels,NitNmovesNenergyNfromNoneNlocationNtoNanotherNwithoutNmovingNtheNwaterNitselfNs
ignificantly;NtheNwaterNparticlesNmoveNinNcircularNorbits,NpassingNtheNenergyNalongNwhileNlargelyNs
tayingNinNtheirNoriginalNposition.
DistinguishNbetweenNmechanicalNandNelectromagneticNwaves.
MechanicalNWaves:N-NCORRECTNANSWERN-
·NMediumNRequired:NMechanicalNwavesNneedNaNmediumN(solid,Nliquid,NorNgas)NtoNtravelNthroughN
becauseNtheyNrelyNonNtheNvibrationNofNparticlesNwithinNtheNmediumNtoNtransferNenergy.
·NExamples:NSoundNwaves,NwaterNwaves,NandNseismicNwaves.
·NPropagation:NTheNwaveNtravelsNbyNcausingNparticlesNinNtheNmediumNtoNoscillateNandNtransferNen
ergyNfromNoneNparticleNtoNtheNnext.
DistinguishNbetweenNmechanicalNandNelectromagneticNwaves.
ElectromagneticNWaves:N-NCORRECTNANSWERN-
·NMediumNNotNRequired:NElectromagneticNwavesNdoNnotNneedNaNmedium;NtheyNcanNtravelNthroug
hNaNvacuumN(space)NbecauseNtheyNpropagateNthroughNoscillatingNelectricNandNmagneticNfields.
·NExamples:NLightNwaves,NradioNwaves,NX-rays,NandNmicrowaves.