Contrôle n°3 : Ondes électromagnétiques – Classification périodique

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Exercice!n°1!:!Ondes!électromagnétiques!(sur!13!points)!
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1) !"#$%&%"#'($)(*%'%+%,%&-($./#("+0)&(1(
2#("+0)&()'&(*%'%+,)('.%,(34"$/%&('5(34"34)(,/6%74)(8'"/49)(34%65%4):("/('.%,($%;;/')(,5(,/6%74)(
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a) @54'()'&(/#)('"/49)(')9"#$5%4)($)(,/6%74)(1(),,)($%;;/')(,5(,/6%74)(34"*)#5#&($/(J",)%,?(
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MEE(EEE(F6?'ON?(
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∆𝒕 ##𝒅𝒐𝒏𝒄##∆𝒕 = # 𝒅 𝒄=𝟓𝟓𝟕𝟓𝟖𝟎𝟎𝟎.𝟏𝟎𝟑 𝟑,𝟎𝟎.𝟏𝟎𝟖= ##𝟏𝟖𝟔#𝒔 = 𝟑#𝒎𝒊𝒏#𝟎𝟔#𝒔!(
3) P#(9"#'%$74)(/#)(*%&4)()&(/#(45Q"#(,/6%#)/R(544%*5#&(A(,5('/4;59)($/(*)44)($.%#$%9)($)(
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9),/%($/(6%,%)/(T(8*)44):?(
b) J%(,)(45Q"#(544%*)($/(*)44)(*)4'(,.5%4((%N(U(%T(954(,.%#$%9)($/(6%,%)/(N(8,)(*)44):()'&('/3-4%)/4(
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b) Y"%4(9"/4'()&(GH(3"/4(,)'(,->)#$)'?!
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S13!
Contrôle!n°3!:!!
Ondes!électromagnétiques!–!Classification!périodique(
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Z#(VI(%$)#&%;%)4(,)(milieu!1(
air!
plexiglas!
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25°!
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42°!
49°!
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réfraction!
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Exercice!n°2!:!Le!danger!des!sels!d’aluminium!dans!les!déodorants!(sur!7!points)!
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1) K.5&"6)( $.5,/6%#%/6( 5( 3"/4( #/6-4"( 5&"6%</)( ^( L( NMI( %,( 5( $"#9( NM(
34"&"#'( )&( 9"66)( ,.5&"6)( )'&( #)/&4)I( %,( 3"''7$)( NM( -,)9&4"#'?( J5(
'&4/9&/4)(-,)9&4"#%</)()'&($"#9(1((
8_:T(8K:D(8@:M(?(V,(5(M(-,)9&4"#'()R&)4#)'($"#9(%,(')('%&/)($5#'(,5(colonne!IIII(
'5(!ZZ()'&(@I(%,()'&($"#9('/4(,5(3ème!ligne?(
`)(6a6)(3"/4(,.5&"6)($)(9W,"4)(1(NC(-,)9&4"#'($"#9(8_:T(8K:D(8@:C?(V,(5(C(
-,)9&4"#'()R&)4#)'($"#9(%,(')('%&/)($5#'(,5(colonne!VIII('5(!ZZ()'&(@I(%,()'&(
$"#9('/4(,5(3ème!ligne?(
2) K.-,-6)#&(9W,"4)(53354&%)#&(A(,5(;56%,,)($)'(halogènes?(
3) H"/4('5&/4)4('5(!ZZI(,.5&"6)($.5,/6%#%/6(3)4$(M(-,)9&4"#'I(%,(;"46)($"#9(,.%"#(𝐴ℓ78($)(
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4) K)(9W,"4/4)($.5,/6%#%/6()'&(/#(composé!ionique!électriquement!neutreI(%,()'&($"#9(
9"#'&%&/-($.N(%"#(𝐴ℓ78()&($)(M(%"#'𝐶ℓ:?(J5(;"46/,)()'&($"#9(1(𝐴ℓ𝐶ℓ7(
5) K."RQ$)( $.5,/6%#%/6()'&( /#( composé! ionique! électriquement! neutreI( %,( )'&( $"#9(
9"#'&%&/-($)(T(%"#'(𝐴ℓ78()&($)(M(%"#'(PTO?(J5(;"46/,)()'&($"#9(1(𝐴ℓ;𝑂7(
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