< PreviousFisika Inti dan Radioaktivitas281@:E:GAJ6CI>96@I:GH:9>69>6A6B@6G:C6L6@IJE6GJ=96G>CJ@A>966@I>;HJ6IJG69>D6@I>;I>96@I:GA6AJA6B6(A:=@6G:C6>IJG69>D>HDIDEI:GH:7JI=6GJH9>7J6I96G>CJ@A>96HI67>A6A6B>6=9:C<6CG:6@H>>CI>6G6N6C<76CN6@9>E6@6>696A6=9:C<6CB:C:B76@>CI>HI67>A9:C<6CE6GI>@:AC:JIGDCDCID=G69>D>HDIDE7J6I6C)JH6I):C:A>I6C-:C6<6'J@A>G))-'696A6='6 )G-896C "b.Penggunaan Radioisotop):C<<JC66CG69>D>HDIDE6CI6G6A6>CH:76<6>7:G>@JI*+ '",%.#/1,',>"C9DC:H>6696C-:C6<6'J@A>G'6H>DC6A-'H:76<6>A:B76<6E:C:A>I>6CI:A6=B:A6@J@6CE:C:A>I>6C96A6B7>96C<E:GI6C>6C9:C<6CI:@CDAD<>BJI6H>G69>6H>&JI6H>G69>6H>9><JC6@6CJCIJ@B:C96E6I@6CI6C6B6C9:C<6CK6G>:I6H76GJN6C<JC<<JA*+ '",%',"201/'6A6B7>96C<>C9JHIG>G69>D>HDIDE9><JC6@6CJCIJ@B:C<J@JG@:I:76A6CB6I:G>6AN6C<9>=6H>A@6CDA:=HJ6IJE67G>@&>H6ACN6G69>6H>H>C6G7:I69><JC6@6CJCIJ@B:C<6IJG@:I:76A6C@:GI6H9>E67G>@@:GI6H96CH>C6G<6BB69><JC6@6CJCIJ@B:C<6IJG@:I:76A6C76?6>"C9DC:H>6G69>D>HDIDEI:A6=9><JC6@6C96A6BI:@C>@EDA>B:G>H6H>G69>6H>&>H6ACN696A6BKJA@6C>H6H>A6I:@H6A6B96CE:A6E>H6CE:GBJ@66C@6NJ*+ '",%&'"/-*-%'6A6B7>96C<=>9GDAD<>G69>D>HDIDE9><JC6@6CJCIJ@B:C<J@JGA6?J6A>G6C6I6J9:7>I6A>G6C;AJ>9696A6BE>E6H6AJG6CI:G7J@6HJC<6>H:GI66>G96A6BI6C6=+69>D>HDIDE96E6I?J<69><JC6@6CJCIJ@B:C9:I:@H>@:7D8DG6CE>E6E:CN6AJGN6C<9>I6C6B9>96A6BI6C6=*+ '",%)#"-)1#/,676C<>ABJ@:9D@I:G6CN6C<B:B6C;66I@6C<:ADB76C<:A:@IGDB6<C:I>@E:C9:@H:E:GI>H>C6G9>H:7JIG69>DAD<>+69>DAD<>9>B6C;66I@6CJCIJ@B:CJC?6C<9>6<CDH>HE:CN6@>I6A6B9JC>6@:9D@I:G6CCJ@A>GEG>CH>EG69>DAD<>9>B6C;66I@6C9:C<6CB:B6@6>>HDIDEG69>D6@I>;N6C<9>HJCI>@@6C@:96A6BIJ7J=$:BJ9>6C>HDIDEI:GH:7JI9>I6C<@6EDA:=9:I:@IDG9>AJ6GIJ7J=H:=>C<<69>E:GDA:=<6B76G6CN6C<B:CJC?J@@6C9>HIG>7JH>CN69>96A6BIJ7J=,:76<6>8DCID=JCIJ@B:C<:I6=J>A:I6@E:CN:BE>I6CE:B7JAJ=96G6=E696E:C9:G>I6E:CN6@>IE:CN:BE>I6CE:B7JAJ=96G6=9><JC6@6CG69>D>HDIDEC6IG>JB$:BJ9>6C?:?6@G69>D6@I>;I:GH:7JI9>GJCJI9:C<6CB:C<<JC6@6CE:C8686= :><:G%:I6@E:CN:BE>I6CE:B7JAJ=96G6=9>IJC?J@@6C9:C<6CI:G=:CI>CN66A>G6CC6IG>JB,:A6>C9><JC6@6CJCIJ@B:C9>6<CDH>HE:CN6@>IG69>D>HDIDE?J<69><JC6@6CJCIJ@I:G6E>G69>6H>-:G6E>G69>6H>696A6=86G6E:C<D76I6C9:C<6CB:B6@6>G69>6H>-:G6E>H:E:GI>>C>7>6H6CN69><JC6@6C96A6BE:C<D76I6C@6C@:G):B7:G>6CI:G6E>96E6IB:CN:B7J=@6CB:C<JG6C<><:?6A66I6JB:C8:<6=E:CN:76G6C@6C@:G7:G<6CIJC<E696?:C>H96CHI69>JB@6C@:G *+ '",%.*#-1-%/$',:A6>C96A6B7>96C<7>96C<N6C<I:A6=9>H:7JI@6C9>6I6HG69>D>HDIDE?J<69><JC6@6CJCIJ@B:C:CIJ@6CJBJG76IJ6C;DH>A96C7:C967:C96EJG76@6A6):C:CIJ6CJBJGB:B>A>@>E:G6C6CE:CI>C<6CI6G6A6>CJCIJ@B:C<:I6=J>JBJG;DH>A96G>B6H6G>7J6CI6=JCN6C<A6AJ.CIJ@B:C:CIJ@6CJBJG;DH>A9><JC6@6CG69>D>HDIDE@6G7DCN6C<7>6H69>H:7JIG69>D@6G7DCKedua tangan ini memegangsebongkah uranium–235. Isotop dariuranium yang digunakan sebagaibahan dalam reaktor nuklir. Uraniummerupakan salah satu logam berat,sebongkah kecil uranium inimassanya 4,5 kg dan harganya lebihdari 200.000 dolar. Sebelummemegang uranium, tangan harusdilindungi dengan sarung tangankhusus.This two hand hold a slab ofUranium-235. It is uranium isotopused as material in nuclear reactor.Uranium is one of the heavy metal,that small uranium slab weights 4,5kg and the price is more than 200.000dollars. Before holding uranium,hands must be covered by a specialhandgloves.Informasiuntuk AndaTugas Anda 10.3Carilah foto-foto tentang kondisikota dan warga Hiroshima danNagasaki setelah pengeboman olehAmerika Serikat. Diskusikanlahbersama teman sekelas Andatentang dampak negatif bom atom.Diskusikan juga apakah ada dampakpositif dari bom atom.Information for YouMudah dan Aktif Belajar Fisika untuk Kelas XII282"HDIDE@6G7DC6A6B>6==6CN6B:B>A>@>CDBDGB6HH66IDBI:I6E>G69>D@6G7DCB:B>A>@>CDBDGB6HH6"HDIDE>C>I:G7:CIJ@9>6A6BE696A6E>H6C6IBDH;:GJB>76<>6C6I6H,>C6G@DHB>@96G>6C<@6H6AJ6GB:C67G6@6IDB6IDB9>6IBDH;:G76<>6C6I6H@>76ICN66@6CI:G7:76H@6C:A:@IGDCEGDIDCC:JIGDC96CE6GI>@:AA6>C#>@66IDBC>IGD<:CB:C6C<@6EC:JIGDC>IJ6IDBC>IGD<:C6@6C7:GJ76=B:C?69>6IDBH6B7>AB:A:E6H@6CEGDIDC+69>D@6G7DC>C>7:G6969>6IBDH;:GH:76<6>@6G7DC9>D@H>96DIDH>CI:H>HB:CN:767@6CB6HJ@@:96A6BIJB7J=6CH:=>C<<6E6966@=>GCN6H:AJGJ=B6@=AJ@=>9JE6@6CB:C<6C9JC<G69>D@6G7DC,:A6>CI:GJHB:C:GJHI:G7:CIJ@?J<66@6CI:GJHB:C:GJHB:C<=>A6C<@6G:C6B:AJGJ=6A6BB6@=AJ@=>9JEN6C<HJ96=B6I>@696GG69>D@6G7DC6@6C7:G@JG6C<I:GJH@6G:C6B:AJGJ=,:I>6E I6=JC6IDB6IDBG69>D@6G7DC>IJI>C<<6AH:E6GJ=$:CN6I66C>C>B:GJE6@6C96H6GE:C:I6E6CJBJG;DH>AN6C<E:GI6B6@6A>9>@:B76C<@6CDA:='**/"' 5E6966CDCID=E:C6C<<6A6C9:C<6CB:C<<JC6@6C>HDIDE@6G7DC696A6=E:C6C<<6A6CJH>6H:7J6=<JAJC<6CE:G@6B:CN6C<9>I:BJ@6C9>H:7J6=<J69>%6JI&6I>Gambar 10.29Magnetic Resonance ImagingGambar 10.30Karbon dapat digunakanuntuk menentukan usiasebuah gulungan perkamenyang ditemukan di sebuahgua di Laut Mati.):GC6=@6=C96B:C9:C<6G6I6JB:B7686I:CI6C< ) & #"# &(#"&(!"("IJ696A6=E:G?6C?>6CI:CI6C<E:B76I6H6CE:CN:76G6C96CE:C<JG6C<6C7DBCJ@A>G9>9JC>66G>A6=>C;DGB6H>96G>7:G76<6>HJB7:GI:CI6C<E:G?6C?>6CI:GH:7JI':<6G6B6C6H6?6@6=N6C<I:GB6HJ@C:<6G67:G@:@J6I6CCJ@A>GJ6IA6=IJA>H6C96G>>C;DGB6H>N6C<C9696E6I@6C$JBEJA@6CIJA>H6CI:GH:7JI@:E696<JGJC96-JA>H6CN6C<E6A>C<76<JH6@6C9>EG:H:CI6H>@6CDA:=H>HL6N6C<7:GH6C<@JI6C9>9:E6C@:A6HMari Mencari TahuTantanganuntuk AndaApakah radioisotop yangdisuntikkan ke dalam tubuh pasienuntuk mendiagnosis penyakit,membahayakan pasien itu sendiri?Sumber: Physics for Scientist and Engineers, 2000Sumber: Fundamental of Physics, 2001Fisika Inti dan Radioaktivitas283Tes Kompetensi Subbab D#/(),*&." 2)2*1'&, ,:7JI@6C?:C>H?:C>HG:6@IDG7:G96H6G@6C@:<JC66CCN6#:A6H@6CEGDH:HE:GJ76=6C:C:G<>E696)%-'9:C<6CH>HI:B)0+H6BE6>9>=6H>A@6CCN6:C:G<>A>HIG>@#:A6H@6CE:C<<JC66CG69>D>HDIDE96A6B7>96C<@:9D@I:G6C,:7JI@6C76<>6C76<>6CJI6B696G>H:7J6=G:6@IDGCJ@A>G#:A6H@6C;JC<H>96G>6BD9:G6IDG776I6C<@:C96A>8E:G>H6>Rangkuman"CI>6IDBI:G9>G>6I6HEGDIDC96CC:JIGDC$:9J6E6GI>@:AE:CNJHJC>CI>>C>9>H:7JICJ@A:DC)GDIDC7:GBJ6I6CEDH>I>;H:96C<@6CC:JIGDCI>96@7:GBJ6I6CA>HIG>@.CIJ@B:B7:G>@6CHE:H>;>@6H>I:G=696E@DBEDH>H>>CI>9><JC6@6C>HI>A6=CJ@A>96N6C<9>CN6I6@6C9:C<6CCDI6H>19:C<6C1?:C>HJCHJGCDBDGB6HH63CDBDG6IDB'?JBA6=C:JIGDCS3 )GDH:H=>A6C<CN6H:76<>6CB6HH6C:JIGDCB:C?69>:C:G<>>@6I>CI>9>H:7JI9:;:@B6HH6)GDH:H>C>I:G?69>E696E:B7:CIJ@6CH:BJ6CJ@A>96C:G<>>@6I>CI>7:AJB96E6IB:C<<6B76G@6C@:HI67>A6CCJ@A>96@:HI67>A6CCJ@A>969>E:C<6GJ=>DA:=:C:G<>>@6IG6I6G6I6E:GCJ@A:DC-:G96E6II><6B686BE:B6C86G6C96G>JCHJGG69>JBN6>IJE:B6C86G6C6A;6E:B6C86G6C7:I696CE:B6C86G6C<6BB606@IJE:CJ=696A6=L6@IJN6C<9>7JIJ=@6CH:?JBA6=JCHJGG69>D6@I>;JCIJ@B:AJGJ=B:C?69>H:I:C<6=?JBA6=H:BJA66A6BG:6@H>>CI>7:GA6@J!J@JB$:@:@6A6C'DBDGIDB96C'DBDG&6HH6H:GI6!J@JB$:@:@6A6CC:G<>96C&DB:CIJB+:6@H>;JH>696A6=7:G<67JC<CN69J6>CI>G>C<6CB:B7:CIJ@H:7J6=>CI>A:7>=7:G6IH6B7>AB:B7:76H@6C:C:G<>H6C<6I7:H6G+:6@H>;>H>696A6=G:6@H>E:B7:A6=6CHJ6IJ>CI>7:G6I@:I>@69>I:B76@>DA:=E6GI>@:A7:G:C:G<>I>C<<>N6C<@:AJ6G96G>H>C@ADIGDC6I6J@:I>@6B:CN:G6EC:JIGDCA6B76I +:6@IDGCJ@A>G696A6=I:BE6II:G?69>CN6G:6@H>7:G6CI6>N6C<B:C<6C<@JI;>H>CJ@A>GN6C<I:G@:C96A>$DBEDC:C96H6GG:6@IDGCJ@A>G696A6=I:G6HG:6@IDG:A:B:C76=6C76@6GBD9:G6IDG76I6C<@:C96A>' "96CE:C9>C<>CDBCJ@A>GI:G9>G>6I6H9J6B686BN6>IJ7DB;>H>CJ@A>G96C7DB;JH>CJ@A>GDB;JH>CJ@A>GB:B6C;66I@6C:C:G<>H6C<6I7:H6GN6C<9>A:E6H@6CH:HJ96=G:6@H>E:B7:A6=6C>CI>6@I6@:96=HN6I6CCN6I:GA>=6I9>@DI6!>GDH=>B696C'6<6H6@>#:E6C<+69>D>HDIDE696A6=>HDIDE>HDIDEN6C<I>96@HI67>A+69>D>HDIDE9><JC6@6C96A6BI:@CDAD<>BJI6H>G69>6H>I:@C>@EDA>B:G>H6H>G69>6H>I:@CDAD<>E:C9:I:@H>@:7D8DG6CI:@CDAD<>G69>DAD<>I:@CDAD<>E:C:CIJJBJGHJ6IJ76=6C96CA6>CA6>CMudah dan Aktif Belajar Fisika untuk Kelas XII284B:B76=6HB:B76=6HB:B76=6HB:B76=6H76<>6C76<>6CCN6B:B76=6HPeta Konsep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etelah mempelajari bab ini, tentu Anda telahmemahami bagian-bagian penyusunan inti danbagaimana pengaruh rekayasa penyusun inti tersebut.Anda juga tentu telah memahami mengenairadioaktivitas dan peluruhan serta perhitungan-perhitungan yang ada di dalamnya. Dari keseluruhanmateri yang ada pada bab ini, bagian mana yang menurutRefleksiAnda sulit dipahami? Coba Anda diskusikan denganteman atau guru Fisika Anda.Banyak sekali manfaat mempelajari Fisika Inti danRadioaktivitas. Salah satunya adalah dibangunnya PLTNyang hemat bahan bakar. Coba Anda cari manfaat lainmempelajari bab ini. Diskusikan hasilnya bersama teman-teman Anda.Fisika Inti dan Radioaktivitas285Tes Kompetensi Bab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tmenit4!E5 HB6B6HH6C:JIGDC4!C5 HB696CHB6 &:/:C:G<>>@6I>CI> %>696A6=6&:/9&:/7 &:/:&:/8 &:/.GJI6C96N6I:B7JHH>C6GH>C6GG69>D6@I>;9>BJA6>96G>N6C<E6A>C<@J6I696A6=66A;67:I696C<6BB67<6BB66A;696C7:I687:I66A;696C<6BB696A;6<6BB696C7:I6:<6BB67:I696C6A;6@I>K>I6H>HDIDEG69>D6@I>;N6C<76GJ9>I:BJ@6C7:G@JG6C<B:C?69>96G>=6G<66L6ACN696A6BH:A6C<L6@IJ ?6B06@IJE6GJ=>HDIDE>IJ696A6=6 ?6B9?6B7 ?6B:?6B8 ?6B ,J6IJJCHJGG69>D6@I>;B:AJGJ=96CI>C<<6A?JBA6=CN6H:I:A6= B:C>I#>@6BJA6BJA6B6HH6JCHJGI:GH:7JI <G6BH:I:A6=H:I:C<6=?6BB:AJGJ=B6HH6JCHJGN6C<7:AJBB:AJGJ=I>C<<6A6 <G6B9<G6B7 <G6B: <G6B8 <G6B5-,,J6IJ76=6CG69>D6@I>;:H>JB E6966L6ACN6B:B>A>@>A6?JG69>6H>;DIDC<6BB6H:7:H6GV E6GI>@:AI>6E9:I>@E67>A6L6@IJE6GJ=76=6CI:GH:7JI I6=JCA6?JG69>6H>CN6E696 I6=JC7:G>@JICN6696A6=6V E6GI>@:A 9:I>@7V E6GI>@:A 9:I>@8V E6GI>@:A 9:I>@9 V E6GI>@:A 9:I>@: V E6GI>@:A 9:I>@Mudah dan Aktif Belajar Fisika untuk Kelas XII2866A6BL6@IJ=6G> 76<>6CHJ6IJJCHJGG69>D6@I>;B:AJGJ=06@IJE6GJ=JCHJGG69>D6@I>;I:GH:7JI696A6=96A6B=6G>69 7: 8 ,J6IJE:AJGJ=6C>CI>B:C<=6H>A@6CO6G6=O6G6=9:C<6CB6HH6!96C!N6C<7:G<:G6@H6A>C<B:C?6J=>H6IJH6B6A6>C#>@6696A6=:C:G<>@>C:I>@IDI6A@:9J6B6HH6:C:G<>@>C:I>@O6G6=6C<<6EA6=76=L6>CI>>C9J@CN6HI6H>DC:GH:7:AJBB:AJGJ=7:GC>A6>6!!9!!!7!!:!!!8!!,J6IJE6GI>@:AE>DCB:HDC 96A6B@:6966CI:GI:CIJ96E6IBJHC6=B:C<=6H>A@6C9J6;DIDC>9:CI>@9:C<6CE6C?6C<<:ADB76C<#>@6B6HH6E6GI>@:AE>DC696A6=!I:I6E6C)A6C8@96C@:A6?J6C86=6N696A6BK6@JB96E6I9>CN6I6@6C96A6B!96C96A6B7:CIJ@6!9!7!:!8!,J6IJO6I9:C<6CCDBDG6IDBB:AJGJ=H:86G6G69>D6@I>;B:C?69>6IDBA6>C9:C<6CCDBDG6IDB +69>6H>N6C<B:CN:GI6>EGDH:H>C>696A6=6=6CN6E6GI>@:A6A;67=6CN6E6GI>@:A7:I68E6GI>@:A7:I696CH>C6G<6BB69E6GI>@:A6A;696CH>C6G<6BB6:E6GI>@:A6A;6E6GI>@:A7:I696CH>C6G<6BB6)696EGDH:HE:AJGJ=6C >B:C?69>)DI:G?69>E:A:E6H6C6EDH>IGDC9EGDIDC7E6GI>@:A::A:@IGDC8C:JIGDC 6G>G:6@H>;JH>7:G>@JI! !!: C*#>@6B6HH6! 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