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AQA A Level Physics 7408/2 Paper 2 June 2024 Question Paper $4.99   Add to cart

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AQA A Level Physics 7408/2 Paper 2 June 2024 Question Paper

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  • AQA A Level Physics 7408/2 Paper 2 June 2024

AQA A Level Physics 7408/2 Paper 2 June 2024

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  • September 19, 2024
  • 41
  • 2024/2025
  • Exam (elaborations)
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  • AQA A Level Physics 7408/2 Paper 2 June 2024
  • AQA A Level Physics 7408/2 Paper 2 June 2024
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nurse_steph
AQA A Level Physics 7408/2 Paper 2 June 2024
Question Paper

, PleaseIwriteIclearlyIinIblockIcapitals.


CentreInumberIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII CandidateInumber


Surname

Forename(s)IIIIIIIIIIIIIIIII

CandidateIsignatureIIIII
IIdeclareIthisIisImyIownIwork.



A-level
PHYSICS
PaperII2


ThursdayI 6IJuneI 2024 Morning TimeIallowed:I2Ihours
Materials For Examiner’s Use
ForIthisIpaperIyouImustIhave:
IIaIpencilIandIaIruler Question Mark

IIaIscientificIcalculator 1
IIaIDataIandIFormulaeIBooklet 2
IIaIprotractor.
3
Instructions 4
IIUseIblackIinkIorIblackIball-pointIpen. 5
IIFillIinItheIboxesIatItheItopIofIthisIpage.
6
IIAnswerIallIquestions.
IIYouImustIanswerItheIquestionsIinItheIspacesIprovided.I DoInotIwrite 7
IoutsideItheIboxIaroundIeachIpageIorIonIblankIpages. 8–32
IIIfIyouIneedIextraIspaceIforIyourIanswer(s),IuseItheIlinedIpagesIatItheIendIof
IthisIbook.I WriteItheIquestionInumberIagainstIyourIanswer(s). TOTAL
IIDoIallIroughIworkIinIthisIbook.I CrossIthroughIanyIworkIyouIdoInotIwant
ItoIbeImarked.
IIShowIallIyourIworking.

Information
IITheImarksIforIquestionsIareIshownIinIbrackets.
IITheImaximumImarkIforIthisIpaperIisI85.
IIYouIareIexpectedItoIuseIaIscientificIcalculatorIwhereIappropriate.
IIAIDataIandIFormulaeIBookletIisIprovidedIasIaIlooseIinsert.

, 2
Do not write
outside the
SectionIA box
box


AnswerIallIquestionsIinIthisIsection.


0 1 AIroomIcontainsIdryIairIatIaItemperatureIofI20.0I°CIandIaIpressureIofI105IkPa.

. 1 ShowIthatItheIamountIofIairIinIeachIcubicImetreIisIaboutI40Imol.
0 1 [1Imark]




0III 1II.II 2IIIIITheIdensityIofItheIdryIairIisI1.25IkgIm−3.

CalculateIcrmsI forItheIairImolecules.
GiveIyourIanswerItoIanIappropriateInumberIofIsignificantIfigures.
[3Imarks]




crmsI =IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIImIs−1


0III 1II .II 3IIIII Calculate,IinIK,ItheIchangeIofItemperatureIthatIwillIdoubleIcrmsI forItheIairImolecules.
[2Imarks]




changeIofItemperatureI=IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIK




*02*
IB/M/Jun24/7408/2

, 3
Do not write
outside the
box
0 1 . 4 A room contains moist air at a temperature of 20 °C.
A dehumidifier cools and then condenses water vapour from the moist air.
The final temperature of the liquid water that collects in the dehumidifier is 10 °C.
Drier air leaves the dehumidifier at a temperature of 20 °C.

Table 1 compares the air flowing into and out from the dehumidifier.

TableI1

massIofIwater
ImassIofIair

moistIairIflowingIin 0.0057

drierIairIflowingIout 0.0037

InIoneIhour,IaIvolumeIofI960Im3I ofIairIflowsIthroughItheIdehumidifier.I
AssumeIthatItheIdensityIofItheIairIremainsIconstantIatI1.25IkgIm−3.

DetermineIhowImuchIheatIenergyIisIremovedIinIoneIhourIfromItheIwaterIvapourIbyI
theIdehumidifier.

specificIheatIcapacityIofIwaterIvapourI=I1860IJIkg−1I K−1
specificIlatentIheatIofIvaporisationIofIwaterI=I2.3I×I106I JIkg−1
[3Imarks]




heatIenergyIremovedI=IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIJIII
IIIIII 9



TurnIoverI►


*03*
IB/M/Jun24/7408/2

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