2nS    betaote Yt
S   photosensitive
                                                             Date 5/4/22
                                                             Page No.
              HCOMS
                                                                 Page16
                                                                        CELTT
                                               Gnold
  Z   e   a   d
              P   b   )
                                                                          laah
                                                        Scan eng gu
                                               LSinqeSht
SouTCL O
      poutTc                                                            /Deuctoo
 HLead                     Lead 6TCRS:    To Callnate   x-   paucle irto
  thin beam,
Thin Giold foli                    0m10 ESo t has a
  Single layer f gotd                    atom
àZn Scoon 10 Check the presena_                              -pasuticle altr
  payuirg from qsld foo
      CbsorVatfons
  Mot Of the -pOutfdu (Qg 86p) uuent undiate
      Ca14O f K-pasutdles dulated mose than P01
                                                    Date. 512 2
                                                    Page No.
                 K        beltzmane
                                            deulated moso th
                                -pautfelo
      One            Sooo
  0              7        901
                                        wtated   abOu  180'
                                                 about 180
One          n       lo    x-pautfue
                       back
      L= 190) Retuonoa
                                                  (Psaollep bogk)
                                                  122
      TOCU
      TOU
                                                     ISo
                 O        0_60    90 100 120 1YD 16o
                     APPOxFomula
            =K2
                                        7= Atomic o .
                                        K Conctant
                                         &cattouq      angla
0 no Of portcle
loo0 -pauttictei as Cattevod at 60°.Chd
the n o 04 -pautfcioa that w?u be
                                  attou
       N= Kz2
 #one haue    u       UOd qoaid un the expeiment
  Due   to the psop outy eh maileabitity.
                                        DateDate S|2|22
                                                Page No
                  N        Kz2              -
        N2
        000
        N     I00O= 250
                  Ruthoukosd'S Neucear Mod
                           Atom
le Most pasut o theatm u ompty
99.9696 X-poutfcta pasicd undsuiated. pac(hollau
2houo     Somo tve) CharqehTcta atom una
  ey    mal p0
       -pautt cudilloctea by mo10 than
                                              Date. 52122
                                              PageNo.
     Tho (tve) Chasqe nside atom CoDCANiated
     fo an
     appru size  L01Sm
    LappbL Size_o a t o m 10            m
OneOne in lo pautide duoiatid by 180
H     Oo o pautfctes catteuud 0 a p a t l a
     angle e   difE:    aiff mota
       N=Kzz
          si
     DIf motalsoemonts) hauo di¢p Ve) cham
         thoir     nudl.
                                                    6222
                     tracked
5Jhe           a     aKAhed_by the nucteus but the
       doeknor     mouetouoasd    the nuCNES.
     nutzalizek thi forco         LIGLUR uh any crcui
    0sbir aDOndnOcieus
                        FEFe
                                            FE Cantipoqa f-
                       mv        KaQ2       Fe OlecDStatic
                                   2
                                                      Date
                                                      Page No
                    DXtancc O Uosoat Appcoch
    u n f t e
                                                  Lirnt
                                                 (Gs6 arrn)
    Appltat         O       onSeuuatfon Of   Enesqy
      KaA       t   kE:=                 t0
                                   o
                K           Ka.g
            K=L                    20) (ze)
C
                               Specral aLe
    Maxmum K E mevN
                7             (bold)
           K:_          -          xIO
                                             Date.
                                             Page No.
              30   XiD    m
                3fm      {eimi)_
                Df K:f 5mey           pmcetad tooarduu
   pautfcte                                    CDS OLL.
   Oranom     nuclQu.end      tho dittanca
   appaach un n A             7-92
                                        XLKO9
       2X q2xa xI x 6 XIo
         5x6OTXIo XLO
          5 a 99    X10       m
          53 XIo    mn
      =   5:3x 10- 2 Cm
               Impact Pauametse (b)
t h e the      ditanca op the Pnitial uclatfty
    -p.autfcle uofth the Cnke of nuts
CacLLated nfemi.
                                               Date
                                               Page No.
                  Draudback 0 Rutbutgud Modsl
                       OAn Ato
b He COLuld not eMplain the Stabilty  atem.
  Mauo Q0 Statod that an acealuates Chaugod pattid
 Tadiaton (onergy) hile mouîng h a chcula
 path
ha        accaluatën
 haChage
    Lontnuosy mit            adinttsn
                usUL   CStuT d th     the nuctous
 thevalore e
 Thu wi        happon un I0             atom    uil mot be
  Stab
                                            Date.
                                            Page No.
 o H e could    mat    explann   daocuaall pacrum 94
   atam.
                       in   any  rCular artir
       Can    susLwe
                            lContinuOs crcular 0bit)
              homoson's Modul OAn to
                ThomoSon S modl QuOuy atom
     Accordhg to a
 Cengika     a tuelu     Chauoqed &phu
  Hadiu     tho oxdar (to10) m in ughich ontre
                                           disibutu
  mak    posttoe chago auo unifommt
  In anu_phere      a      embeddlod       &Codl
 LinStAaa uOatcmolon os plump          un_ a
 DUddino he no Of       f Sach that their ( |
                                      e l t h i atom
 Chage is 0quai to tho tve) chauge
 hus atom YS Clocm aLOy na
                ntatienn
 TCould Met eplan tho Spechal Souu
 huduogen       thor atomi Qebsouu0d 0Xpeuimontal
T_Couuld mat explainlanga Lngle catteuing o
dpasutictas fsom thin m@tal foilk           obtcnicd
by     Rutherfond
                                                    Date
                                                    Page No.
                 Bchs' Atomlc Modu (1913)
 lo       Coan   Tuawe      anly un    0   CLLGun    Stable     tthtt
                                            thee           aa    (altad
n A O OxbitS                 Exed  enegy
                 leucl    oY Statfonauy tate.
      enaig
      enuugy
                          mamed alK, L, M, N.
heSe             wQue
                                      5 l ev (M)
                                     3 e v (L)
                                     -136 ev (K)
 d        haue Came eneugy a           that o, the osbir un
      unich ut i         geUaluing
3Ohil TOUoLOhq una pautfcular onaua louol
  osbit)     donat omit any mdiatfont
       ClaiLal eleckomaqnoANSm_             mechonice Cannot
      be applicd on atomic leuL
HoT an dlectoen ahcogh0emiti onenay i t muat
  nove to df onesgy louo
5 Delununq table orbits:    Can Qualwo   thote
  curcular 0nbits uohue anqutor momentomL
 Oan             an unteqsas multiple of
      h   planR ConCtant
                                           Date
                                           Page No.
          Emus
                      -0
               bohr'Quantfzatun       Condituon
 ngular    momontum of        i   quantYtized
   Calculatton O mdiu (s, Patntia Pnesau 1PP,
   Velniw Kibetic encuqy [Ke), Tstal eneroy (TE)
s o m Ruthaford'      Model
  Canti pftat fort i pmuided by olactonst.atic fose
                 Ce           4,0
  mv       Bqg
                                           Date
                                           Page No
   mV
   myT                         mhi
       my
                    mheoT
                    2ex
                Tm ze2
                                                  0-53
  Radu      o     th 0rbit          0:5298 68 m [A)
                                                  Z
EFor     th Atom         Z        m=|
                     T053 A_
                              Td extu ud tadu3        qll
                                                      ha
                             e zutid &1ct |2nd
                               TOUnd StalL T t shL
  mo   of Shet im= 0xcfutat+
                                           Date.
                                         Page No.
For       He atom                  =2
       (2nd hau)
                      E053x12)1         = :06A
                               2
E or 20d oxiud Stau            Li
   7     3    M: 3
                  Ta0S3 x (3        =:59 A
  th         ehu
  Put i n eq0
  mh
              KMLe2
       V= z e
             hem
 Fox H dona
                    V= 18_X10         mS
                                     Date
                                     Page No
       Calculaliin        BE. BE 4JE
K     m2                  P:E         Q192 (uoith
                                                  SiGn)
     mz2e
      un2eon2               P:E=- |
                                            mhCo
      mz'ey
                                               Mze
                            p.e     mze
                                    m h
                                  Mut puy      divida by
                             p-     2mz2 e
                                     8n2h Co
TE    Kf +P:
T     Mz2e     2mze
      ghEn      8n+he
TE    mz2e"
       gh-En
         m2
P= K                 TE
                                   Date. 2   |22
                                   PageNo.
Hhd       the Ke ot_an õ n ond onbir ofR**
  Ahd
       TRf= 136 X (3
                (2
              -16X
              - 306 eV
      KE 30 6ev
      p:£ gSNAAA- 61:3 elN
                   Spoua   Ca
     TE -13:672
 o     Hatbm.
 Lohen    m       TE-13:6 ev
         :2,      TP=-3:4 ev
                  T:f-5l1 eV
                  T  A: S e/_
beunda     eieuS AONAY   u0quired to
fso the eeeicpom modouse
                                                 Date   2 12
                                                 Page No.
                     EneuayLU          DYaqsam
                                                  (6a
                                           Lmen bam oer
                                        bTat pOSCh orPhord
                                            _aumpheu
feom ohr Mocu
  6OhilRaunluingh hfgher eneugy loucl one may.
    emit Tadiationg
                    photbn a cpai t uwauClanoth
     and     fau      de-01tPtea t a     louBOU OnLgy le0
     Ihe oneu9y         uch pheton i     aluoau     cquad   te the
     diff o a eneugy teudl
                  E Ena En
             nc     E     En-
 Ohit Rusouonq in d leoer enerqy
                                  1euo 0n e rmay
  absotb 10diatfon (photn] of
                              acpo[ uoa olength
    Qnd fompsexttu a                   hianor energy leuol
    The     nesqy        uCh     photon u aLLau Rquai          to-
     tho   diff          nougy uola
                    E En- En
                    n = En1 - Fo
                                                         Date. 2|A2
                                                         Page No.
              nitatfong O Bony             Atomic Modu
                  tandt ruo ony fos H atom                and H o
              ctom&.     Sthale C gpocu
              egtHe            Be3
                  Cannot Xxplain spoc.aum s        mutié spccfe.
     d           doeonot tas intn accsunt uaue matuKL Se
           ufstathq de brnali nypothol
 H            r 9oi latu      hefconbQug   unceLtainiu    puinep
                                               Tm2e
                  Momuntom (p) 0           m
                                           =mZ02
                                               heon
55        t     CannotOxplain      &blPEthq_op.octsal unu uni
     elocnie          foltd     Stauk e r
          maa oi               7eoman
     AtomilpectUnA
     EmPssion          SpeetrUm
         Ab oophion &poetnm
                                    Date 312122
                                    Page No.
           Emfaston Pctum Lune otuul
             Atomic gal by lectic Cr
                                      Sorne Speufic
                       A     Pnsm
                                          wawoiongtht
                                         weTe pTCtent
                                          on the STegn
                                                    ctaom
 Euo   q   haO hauackouetfeomigSisn gpe
            hape ame emisaton ctuUMa
 Wo     gu
Eplanadtin       ling DiccHTL | Crmfcston pccrOm
                             En-136 72 0:V
          0-8Sev
           -SlevV             B     -ld6 x 1          -136
             -3ev
             --136ev
                             E      -13:6 x         =-3y
                              136 x                 a-1Slev-
                                              (3)
                                  136 X             0-4Sev
                              y           u)?
        LHDoo-8000 A Raanbow (Lontinoos             Date, &12]3
                                        spettoUm)   Page No.
 mpontant Ngll
1             absosbg enesgy              umpt ehig hor
    enogy
                                                               eueL
d       A      Veuy unctabu ün hfghor enougy
        lozdted_Stdte)._
    SO fauk ba0R Ldo-exfto) e tho louner eneTqu_
    louol emftthg t h e om o adiatlon
    LphotonS)..
HoEhogy s CuCn phe[on qual tothe dilA
    onougy-
  Oeneugy     d0bits nuaiwed n tranction
                            Ena-Ea
              tphaton
                c           Ens- En
    h     onouau quantized d
        Luu hauno CLutanpouACNaiu0 onk
h dAhd tho en1 ou                 auolunath Baphoton
    emitedwhen                 Hattpm        maRu trancitfon
             -151                 +13:6
                        1     209
                                         Date 312la2
                                         Page No
      he
      12.09      1Ruo
                 RYO X1Do         (mm)
        =
                 1209
                  03 56mm
                02S6         A
                                                   112aa
                           omted
DShogteut eumula ahclng A)
        Ephelen     tn       En
                  = 1 3 67               13:6 z2|
                             n
                  136 72               136 7
            d                    m,2         m
            h     13:672
                                   m     m
                1363
                        hC
                   R
                                       m)
                                 Date. 912R
                                 PageNo.
    ushare R   i09 X10 m
           Ohoro R RaLdboua    ontant
                              Hato m 2>)|
        R2
2
       R
                   (2
               P                   2
               2    2
               112
           o 26 A
                                                      Date       1O|alaa
                                                      Page No
                       ()
Shortet tsoxéatien
                                A    laigest
O         t   ramAAte
                                    dtestt
                              laovfet arelenpt                    for La lmec
he                Jongeelt
eie           e         Hot           a   f   s   t
                                                       2
    2 2
                                                  R
                         22                                  2
                        26
                                                  x412
                                                       64 8A
                     en     O
                                     Date. 10aa
                                     Page No.
             viibl
No-Uiqe Speuhal lines/Na.duigag ranaiting/No.wig
                                                A_
                                   Date.1022
                                    Page No
NoDrbhen Speumm
                                  LohoulSpmM
   Coa
 pexihtawch ae peget
 tmikiopesmm will be obaent
tor ption speuum viteroxt
                              Dark in