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1ͨ^ָĿp϶^չɫlyǹFD_

𰸡D

 

 2}֪ɫڲwlȫD24ʾ

⾀ڲȵĹ·DACcB鷴cOD

ƽ⾀

                                

𰸡C                                                     D24

 

3}t{⾀^ƽ岣uĹ·D25ʾеĹلtOuĺȞdδlȫ֮ǰͨ^uĕrg䶨֪{lʴڼtlʲtn1Сڌ{n2Ҷ1.5]                                                           

 

D25

ɴʽ֪δlȫ֮ǰt1t2

𰸡B

4׹pp挍򞣬όʬFɫlyAeütԴόʬFtɫɗlyclyڗlygBtϹlʲͬܮalyCeϹԴסһlMpϳFοplyg಻ȵėlyD

𰸡BD

5ٽzȦDӣ׃˷ҺĤϱºΠɸԭ֪lycٽzȦԓQֱƽȵDӟoPȻˮƽĸlyD                      D4

𰸡D

6ķ݅sDzɫģCr˹ĸFӵĵ²_ⲨLcwԭgͬf˹IJԣ

𰸡BD

 

7΢늴Ų䲨L10-3m10m֮gwğݗݗ늴Ųʿоwğݗ䆖}Ӽf

𰸡ACD

 

8⌧wSf̖ˎ׺ιWȫ  ȫėlǹĹܽ||ǵڻR

𰸡ȫ   |   R

 

9O⾀c1/4wĽcCBOCOC cķDеĽǦǡ^CcwˮƽĴB}COB=ɡOBC֪sin=   O⾀CcǞ

䶨ɵ                                                  

ʽ                               D26

Ɏ׺Pϵ֪⾀wQֱϵǦ(ҊD26)30䶨ɵ                

𰸡

101Oڽ|еĂٶȞvL,lʞft

         f=                    

                     

“٢ʽ             

IJΈDxLm딵

f=51014Hz

⾀aACĵǺ֪uO˲uRǞ⾀bCDǺ͎׺Pϵ֪ bCDϷȫ䵽BDɎ׺Pϵ֪ ʲlȫBD䶨ɿó⾀c淨ĊAǞ·

D27ʾ

𰸡1f=51014Hz2D27ʾ

                                                      D27

 

11ԴijһclĹ⾀䵽δڹסҺϕr䵽ڹ߅ϵǗl⾀СD28ʾ

Դ׶ڣcrhRȄÿԿ˹Դ׶ˣ

O^cҺķϣ1t

               

aҺw՚ȫRǡ䶨

                             D28

ͬԴ픶ڣ1crͨ^hRÿԿ˹Դ픶tO˕rԴ׶λڣcɈDЎ׺Pϵɵ

“ڢʽ           

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Уԇ}

1 tС{ʹʽn=c/v֪tͬN|еٶ^V1>V2; ȫ乫ʽsinc=1/n֪tСRǴ; {lȫrtȻFxC

𰸡C

2ڛ]д_׺γߴԹ⾀Q҂棬ҲQ±Ae`⾀Q±rcPеnPnQM՚еǴMPϱô⾀c±ĊAһСBCe`D_

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3غ֪A_Be`ɹӌWfЧҎɿ֪Ce`D_

𰸡AD

4ɉKoIJ濴ɫlyDZĤMp^lİןҲɫlydžοp

𰸡C

5οpėlyDzg࣬y֌

𰸡D

61ADEG

2D29ʾ   

x=d(tanr2tanr1)=d

  𰸡1ADEG    2d

 

760                                  

䶨                                                 

                       

r = 30                  

˷1͸2֮gĊA

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8BBCD30ʾ

Bc⾀ǡǷքe

˞ir

Sini=5/10=/2,                              D30

i45

ʶɣ

BcУ                            

Sin r=1/2  ʣr30㡡  BC=2Rcos r     t= BCn/C=2Rncos r/C

t=(/3) 10-9s

Ɏ׺Pϵ

֪        30

𰸡1t=(/3) 10-9s  230

 

9P3 ̵  

  

0C߅Ϲ⣻

ǶϹڿ̶ȱPʧ

𰸡1    2Ϲڿ̶ȱPʧ

3ԓ⾀һΏCDr          

YǺʾ

101OADǡǷքeir  r=30

     

  

2   

3·D31ʾ 

ab⾀ABǞ45

ORCt

sin45>0.67˹⾀abABlȫ

⾀CDr=r=30                               D31

⾀CDij⾀cĊA

   䶨У     

Ɏ׺PϵУ             

٢ڵ 

PCABľxCD=Rsin10cm1֣

txֱAB10cm⾀ܵ_Bc

𰸡1    2    3

11ǡҪlȫrR羀䵽ĻSϵ

Ec^Oľxr돽

ORǞCDʾ

                                           

   

     

   

𰸡

12ɹЧҎɿ֪ꎘOlĹȫ_ꖘOAr_֪ÿ뵽_ꖘOӔÿlӔ.ɐ˹̹Ч̿Ӌij⏊ӱÿ犰lĹӔӱlʲ׃lĹӵܲ׃.                                 

1_͕rꎘOlĹȫ_ꖘOAꎘOÿ犰lĹӵĂ

˹̹늷ӵܣ

J

J.

2lʲ׃⏊ӱЧҎꎘOÿlĹӔ

ӵȻJ.

𰸡1J.    2J.

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1wS̓S'ƽRfnjQƽRٶvOSԴrƽR酢tySSS'BuƽRS'ҲSS'BuƽRƄɎ׺֪RƽRcOƽRĈD32ʾλâƄλâOSԴƄӵľxLٶv=cͬrԴSS'BƽRƄӾxd=Lsin30,񌦷QҎɿ֪̓SS'BƽRƄd=Lsin30,S'SS'BԴƄӵľxd'=2d=LtƄʞv'=,xC                                         

𰸡C                                                    D32

2ֱӰγɵĈDɈDеĎ׺Pϵ·ĸ߶D33ʾODAc·λAB·ĴGE}ijr˵λãED˿̵Ӱ^2sλHF䌦ӰӄtλFCt}УEFvt2m

ڡABDסGED

  ----------

ڡABCסHFC                     D33

  -----------

GEHF1.7mED1.3mECEFʮFC2m1.8m3.8mքe٢ڃʽ“֮ɵ·ĸ߶ȞAB8.5m

𰸡8.5m

3ͬN|Ϲ^ͬrϹƾx^ABeOǞi,Ǟr,tƾx,ҊͬһNɫ,Խ,ƾxԽ,D_

𰸡D

4cԴsAľ߅Ĺ⾀MˮкˮˮOAR돽ĈA΅^cԴslĹ⾀䲻Ӱ^D34



                      

𰸡 

 

D34

5}P֪R}еy}ĿԓRʞ֪RCM㣺,GG1߅⾀]аlȫ߅Ĺ⾀ȫlȫ䡣Թ⾀ֻ܏ĈANG1

𰸡B

6D35ʾ,⾀䵽ABr,ǴR,lȫ,Ɏ׺Pϵõڶε_ĕrֱ.Oc∆ABC,OEC=x,tɎ׺Pϵõ: .ù߰돽x=2r

𰸡C                                                   D35

 

7FfвlyĈDcϵKΠ׌yͬϢxBC_

𰸡BC

8.ȥһο՚ıĤݜpͬˮƽxϣݺ׃pС²̲׃pСly׃ly׃٣׃裩A_

𰸡A

9ղϲĤgõǏĤǰ淴ص໥BӹďȣԓgĤĺҪĤȑȻҪɫİ벨Lԓg\˹ĸԭ

𰸡C

10̫ꖹȻظӵĹⶼУƫƬһȿɿ͸QֱӵĹc͸ͬ͸^ƫ⣻cQֱ45ǵ͸в͸^ƫƬxABD_

𰸡ABD

11͸S͸^ƫҪܿԼ܇lĹw܇͸ڽwM뱾܇܇tͬһ܇ǰǰ͸ͬxACeʹ܇M܇t܇͸͌܇͸QֱBЌ܇ƫͱ܇܇͸䷽ͬD헷ϴֱlxD_

𰸡D

12ӵlʞ=abcɫⲨLPϵabcabd֪bijNٕrǡܰlЧtcܰlЧaⲻBCeɹЧEk=hWtcrጷųĹӵDeֻA_

𰸡A

13ɐ˹̹Чʽ   

                                    

“ʽã

𰸡

 

14(1) hmin= hc/max =13.61.610-19=2.210-18  J

        max=6.63 10-343108 /2.210-18 =9.110-8  m

2       h0 =hc/=w=3.61.610-19 =5.7610-19J

O=6.63 10-343108 /5.7610-19 =3.510-7m

3  EKA ?EKK = e U EKK=h-w

              EKA=eU+ EKK =eU+h-w=20+13.6-3.6=30eV

𰸡19.110-8  m 23.510-7m    330eV

 

 

߿YԴW

 


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