Physics - Edexcel/Pearson Key Terms
with Verified Solution
AccelerationE-ECORRECTEANSWERE-TheErateEatEwhichEvelocityEchanges
AccelerationEequationE-ECORRECTEANSWERE-finalEvelocity-initialEvelocity/time
TypesEofEenergyE-ECORRECTEANSWERE-Kinetic,Epotential,Echemical,Ethermal,Egpe
EfficiencyE-ECORRECTEANSWERE-
AEmeasureEofEhowEmuchEusefulEenergyEyouEgetEoutEofEanEobjectEfromEtheEenergyEyouEputEintoEit
EfficiencyEequationE-ECORRECTEANSWERE-UsefulEenergyEoutputE/EtotalEenergyEinput
ConductionE-ECORRECTEANSWERE-
TheEdirectEtransferEofEheatEfromEoneEsubstanceEtoEanotherEsubstanceEthatEitEisEtouching.
How
doesEconductionEoccur?E-ECORRECTEANSWERE-
E
whenEtheEparticlesEinEaEmaterialEcollideEwithEneighboringEparticles
ConvectionE-ECORRECTEANSWERE-
TheEtransferEofEthermalEenergyEbyEtheEcirculationEorEmovementEofEaEliquidEorEgas
HowEdoesEconvectionEwork?E-ECORRECTEANSWERE-
AsEaEfluidEisEheated,EparticlesEatEtheEbottomEloseEdensityEandErise.ETheyEcoolEandEsinkEwhenEtheyEreachEthe
Etop,EandEareEreplaceEbyEnewlyEheated,ErisingEparticles.EThisEcycleEcontinuesEuntilEtheEfluidEreachesEaEconst
antEtemperature,EwhenEitEstops.
gravitationalEpotentialEenergyE-ECORRECTEANSWERE-
PotentialEenergyEthatEdependsEonEtheEheightEofEanEobject
, GPEEequationE-ECORRECTEANSWERE-GPE=mgh
ChangeEinEGPEEequationE-ECORRECTEANSWERE-
MassE(kg)ExEgravitationalEfieldEstrengthExEchangeEinEheightE(m)
WaveEspeedE-ECORRECTEANSWERE-theEspeedEatEwhichEaEwaveEtravelsEthroughEaEmedium
WaveEspeedEequationE-ECORRECTEANSWERE-waveEspeedE=EfrequencyExEwavelength
E M/s.EHz.EM
incidentErayE-ECORRECTEANSWERE-TheERayEthatEstrikesEaEsurface
RefractionE-ECORRECTEANSWERE-
TheEbendingEofEaEwaveEasEitEpassesEatEanEangleEfromEoneEmediumEtoEanother
WhyEdoesErefractionEoccur?E-ECORRECTEANSWERE-
LightEtravelsEthroughEdifferentEmaterialsEatEdifferentEspeeds
HowEdoesErefractionEoccur?E-ECORRECTEANSWERE-
WhenEpassingEfromEaElessEdenseEtoEaEmoreEdenseEsubstance,EtransmittedElightEslowsEdown.
TheEangleEofErefractionE-ECORRECTEANSWERE-theEangleEbetweenEtheErefractedErayEandEtheEnormal
EmergentErayE-ECORRECTEANSWERE-theElightErayEthatEleavesEaElensEafterErefraction
WhatEdoEwavesEtransferE-ECORRECTEANSWERE-energy
HowEtoEdescribeEwavesE-ECORRECTEANSWERE-
UsingEfrequency,Eperiod,Ewavelength,EamplitudeEandEvelocity
with Verified Solution
AccelerationE-ECORRECTEANSWERE-TheErateEatEwhichEvelocityEchanges
AccelerationEequationE-ECORRECTEANSWERE-finalEvelocity-initialEvelocity/time
TypesEofEenergyE-ECORRECTEANSWERE-Kinetic,Epotential,Echemical,Ethermal,Egpe
EfficiencyE-ECORRECTEANSWERE-
AEmeasureEofEhowEmuchEusefulEenergyEyouEgetEoutEofEanEobjectEfromEtheEenergyEyouEputEintoEit
EfficiencyEequationE-ECORRECTEANSWERE-UsefulEenergyEoutputE/EtotalEenergyEinput
ConductionE-ECORRECTEANSWERE-
TheEdirectEtransferEofEheatEfromEoneEsubstanceEtoEanotherEsubstanceEthatEitEisEtouching.
How
doesEconductionEoccur?E-ECORRECTEANSWERE-
E
whenEtheEparticlesEinEaEmaterialEcollideEwithEneighboringEparticles
ConvectionE-ECORRECTEANSWERE-
TheEtransferEofEthermalEenergyEbyEtheEcirculationEorEmovementEofEaEliquidEorEgas
HowEdoesEconvectionEwork?E-ECORRECTEANSWERE-
AsEaEfluidEisEheated,EparticlesEatEtheEbottomEloseEdensityEandErise.ETheyEcoolEandEsinkEwhenEtheyEreachEthe
Etop,EandEareEreplaceEbyEnewlyEheated,ErisingEparticles.EThisEcycleEcontinuesEuntilEtheEfluidEreachesEaEconst
antEtemperature,EwhenEitEstops.
gravitationalEpotentialEenergyE-ECORRECTEANSWERE-
PotentialEenergyEthatEdependsEonEtheEheightEofEanEobject
, GPEEequationE-ECORRECTEANSWERE-GPE=mgh
ChangeEinEGPEEequationE-ECORRECTEANSWERE-
MassE(kg)ExEgravitationalEfieldEstrengthExEchangeEinEheightE(m)
WaveEspeedE-ECORRECTEANSWERE-theEspeedEatEwhichEaEwaveEtravelsEthroughEaEmedium
WaveEspeedEequationE-ECORRECTEANSWERE-waveEspeedE=EfrequencyExEwavelength
E M/s.EHz.EM
incidentErayE-ECORRECTEANSWERE-TheERayEthatEstrikesEaEsurface
RefractionE-ECORRECTEANSWERE-
TheEbendingEofEaEwaveEasEitEpassesEatEanEangleEfromEoneEmediumEtoEanother
WhyEdoesErefractionEoccur?E-ECORRECTEANSWERE-
LightEtravelsEthroughEdifferentEmaterialsEatEdifferentEspeeds
HowEdoesErefractionEoccur?E-ECORRECTEANSWERE-
WhenEpassingEfromEaElessEdenseEtoEaEmoreEdenseEsubstance,EtransmittedElightEslowsEdown.
TheEangleEofErefractionE-ECORRECTEANSWERE-theEangleEbetweenEtheErefractedErayEandEtheEnormal
EmergentErayE-ECORRECTEANSWERE-theElightErayEthatEleavesEaElensEafterErefraction
WhatEdoEwavesEtransferE-ECORRECTEANSWERE-energy
HowEtoEdescribeEwavesE-ECORRECTEANSWERE-
UsingEfrequency,Eperiod,Ewavelength,EamplitudeEandEvelocity