Page 20 - كتاب تاسع فيزياء الفصل 2 تفاعلي. هويدا محمود

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ÔÒb; ± ¹b b ± Ô»b6 M± ¹b b ±

ÐRÊ7 ± `Ê dÊ CÊ ± ûÊ0; ± dÊ EÊ ÒbÊ; ± EÊ CÊ2 ± ´»bÛ Ê2 ¹b b ± c9 E9 ­ ¼C5 ±Ò ÔR ± _ 6 ±Ò X6; ± PÛ 4Ù
X ±bhÒ ³R= ´C K92 Ù c ¯ ¶C E C d Ò –` R/4 ± ´C b R Ò»P=< ± ` ÐbK 8 b Ò –Fossil fuel Ô»b6 M±
Я a P ٠Э `8: ÔQ ± »R1 ± E C c ¯ ±RÕ 3 ¥E »Cj ]9 ÌR C P;4 .(Ðb R8 ±Ò `= Ò»P=< ± ´C K R Ù ’
d C E=9:4 ± ]9 ` H ; Ò –«±b< ± `= ­ Z P K ¹±b: ±
.C µ¹C Z Ò
.E C »RÛ Ò –«C: ±Ò –Ðb R8 ± P= ­
E Òb; ± E C2 ± E2K d d
C
M± ¹b b ± Ïb= ±»b= ± PÛ 4Ù Ò
–ÐC= M± W4 d Ïb= b b9 ± ] Q Ò –(Ÿ—›› ³»b0 ±’ ¤E= Š± E ¹C4: C dgC=:=8 ± ^ Ù C6 ± ±Q E C C;;8:
^ Ú C6:Ù ± ^ ±¹ C:< b ­ R2/; G= –ÐC 4Û / Ù ÐC ¹Û C C: Ò
»C2/ „± c:Û Ù E=9: d –C<; E C2 ± »RK ÔÒb; ± `= ­ • d b R Ò»P=< ± D Û R: ± Ðb R8 ± P= ­ d C • «C • E C

.Nuclear fission ÔÒb; ± a ­ c9 Ô»b6 M± ¹b b ± d R8ú 6 Э C;;8: ] º c9 «C;
–E=gC=:= E C ^8 c9 E C2 ± ÐSÛ b< ¥E C29 ÐS

©E C2 ± ]9 »P0 C `8 Ò

d F C ´C ±b= Ò ´C C ; C C7 b Ô»b6 M± ¹b b ±
d C= „± ` R= 8 ± ^8K / ÎC : ± ^=
c94 .dhC: ±
R04 ± d F C d ± »C M± ` ÔR ± _ 69 dh»M±
Ðb=9 (286 - 360) `= C ·Ò±R ³PK ^ Ô­ –d b R8 ±
\ R ` E= :/ ± E C2 ± »C M± ]9 F ± .E;

.a b c Û Ò ´C ; ± b: ^ ±R Î dgb1 ± ^= : ±

ºÊm<|fbTÐ zTö = owíh oRmI o\¬ œX À-¼¼ ÒڍZTÐ E=:9 ´C 920

؍RTÐ Ð{v êÐz™GÐ ‹K Š›ew êghÐڍgTÐ ‹X mv؍Rí E = ´C;gC ` E bÛ 8 ³¹Û C :Fossil fuel Ô»b6 M± ¹b b ±
.«C R<8 ± ¶C ˆ C< ±P
± `8: Ò –¹b b ÏP Ù –ÏP7Ú ± Q;
ne´ ›™T oaýmQ owme^< ‰Xó m^=ô ëÌ n›w ºo^ö YXô Ómwm`h
ì{v Qí o\¬ œdTm< o\gœdTÐ ‡ImedTÐ ŽcK Ú|[TÐ Ðb R8 ± P= ­ d C Ô»b6 M± ¹b b ± ̱R ± ` H ;
E bÛ 9 ÓR ­ ´±¼C Ò –Ô»±R ± ½C „± ` P S ÔQ ±
‹X zS´ i™cT Åo\gœdTÐ oa\edTÐ Úm—™AÐ ï|›w ÒڍZTÐ d _ C ÔQ ± F R 8 ± P= ­ dgC; ¼C ^ b 9
owíeTÐ o\¬ œdTÐ Ñ|R ‹XË o^¬ Ydô TÐ ØЍdTР–X ëÌ dgCÊ=:=8 ± dgb1 ± ²CÊ 1 ±Ò dÊ1: ± R2: ± ÐbL Ê8
Ô»b6 M± ¹b b ± PÛ 4Ù ] º Z Ò .(Photochemical smog)
Êm<|fbTÐ Õm™hü ` ³R Û b : ± E C2 ± E=:Û Ð¯ º¯ ¥E C29 C=ÕÛ
C
­ ±»Õ P0

E=:9 ´C 920 .³R= E=:Û R Ø 4Ù E9 ³P Ò ^

` E C \9Ú 2Ù E=9: :Nuclear ¿ssion ÔÒb; ± »C2/ „±
.E9 ^Û ­ (R ­ Ò­’ `=Ø ±b c ¯ ³R= E9=7 ³±b »C2/ ± Î

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