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NCERT Physics handwritten notes for CBSE Board
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MDDERN Prisicern—
ATOMS
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as 2 moH= Ah
=> DA ae
=a be An
=> a 27 m42
ee ee ed
= m[ _oh = __Ke®
—— 2nmA} B
= ape
as ph_n=h* Ker
>i “s Ga? mn We
a.
 
 
neh Dy ( foo bydengen clan \
ga* Ker v
Calculating the value 6f ekprecson by kuping the deed
constauk” ut ge: Coe _
Us 0:58 ee Ae C for hydrogen atom )
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elke Crom TS postailete) Joa H alm
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NZe= = fos Heliuny, Lithiune , ete)
% e
 
Petovitial Eure
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4
=: - 2 kee
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Total usta
Te = Ke +PE
 
ae Kee Kee
2%
 
 
 
 
 
 
 
 
 
 
 
 
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7G 2 = 2 kez
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= Z Ker (Aw mKte2Zz)
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= a texio 22> eV
 
 
 
 
 
 
Lexie ne
[epee ene arcmee me)
I pe
 
 
 
 
for Hydrogen atin, Fs 6 ev
 
 
 
 
 
 
 
 
 
 
 
 
 
TE of ground gate  n=| —» —13-GeV
Pa a Er re ee
uw ond excited Alot asd i Sev,
ow art ontitd dole, n2Y —  - Ott ey
a = Te
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witha
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8
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= Reh [=> fev spectra oie
a gd
 
434
 
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2
i
aT
# To remove an _ebctron complitity from a hydrogen atom
emda
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2guivalou fo 13:6 eV
 
 
 
 
 
 
 
 
Final ¢uugy—r When
 
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Cr Ca
 
 
 
 
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an m from tt oscited dlote te greunok
Satelite yam ps 4
 
 
 
 
Euugy ruleaced = —4.y-(-13-
Sy = G18:8) -
= 10:2 eV
a Ce juimps trom 04 excited lo te Greund alate
 
eNey eeleased = ee ise)
a ey
 
 
= e
Per term 37 to IS excited Ilole
tilased » —0-8o-(-3-y
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
= a Sy av
Speckal__ Seviec
Using Thixd_fostulale,
EG = by
| Ge nee €: — Rel,
i = B
Bnf = hy
Ri (=) _
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ovelen gt mon series
ge
 
  
 
 
 
 
 
 
 
 
 
 
 
n= ©
fia =)
a Le
fe kh
a2 dt E
R
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Ww
 
2 1216 AS
      
  
 
 
BEDE yl ee
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y 7 2 ye
Caleulolery
a a a a
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nel ne. — &
n 24 ne B
net; et
 
   
 
     
       
    
 
No.of “pechal Lines given out = 2 (n-n)
dubling! a_fronsilt
 
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tha qound
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vohich the <-pantiete,
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rt
&- barfislee are omifléd by mony radio’line lonsentt Buthulod
M ner Marsden fhe able to cliscover the ahontic
catecog Gf a pellet — —
is iontlive Lource o{_ot-poilicle va ns_onclnsed_jnolead box
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j—Shis_ iele was attowdl tv .fatl on a thin pout
il_an + scattered wnat tht’ direction wwhkch
hue ol fable __délecor . Whenever the
— pattie c—_ cr ike” the _ZnS_scveen_, it produced a glows so,
ee apart Ke observecl vind were
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ONCLUSIONS
Ia
a,
«Aa alent —Consislt 2h centeal central con me_patled nucle i niebus eek | cl,
 
‘Nuctwt is surrounded 4
orbils__ancl_a_cenbrrelal_force ic
J
elechpslattc _furce ~ btluern_elochon
 
 
 
 
 
nucleus (posite!
arty
 
 
 
 
 
(1 cloceck opprach fer an 4 pod pile
Thhe atemss”'n pit fm be “80
PE > Goth. C#4 & 80)
K (2e) (Ze)
~E
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contra. ta iY ml the ion aanuler.
 
 
 
     
 
 
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Ke ic claubled
Ke = Retz
to
to i
is teduced tv hol.
g
{the olrctyon orbiting i
Ga20
hence, wh ke ic doubld 5,
Find out the wovtlengi,
tole a Aurcinngent te
2% x = nr
2xZ14 x0'S3= XA
Ds 3 32 4°
Dine in the eonissrim of hyd
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TT
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t
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GY Calculate the orbital eatnd echo in the frag
oxcitid shiz 2 Llien athe g a
Te Dildiu 2 ony
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7 Tan
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=» Which
He tronsiions belong to Aymon aud Golmue Levies ?
Aunaan —> Can
lier ——~ Band O
fasthin—>  fA_
ond Ai
ur Jeries Yor th,
d
ts Of the by htc
spool
v
shorlyt wauelenglhs ——>
_Clyman) 6 (Balnua)
Cc E= 0-Cloev) 8 2 = (ev)
= IDev
AS-—2e
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TERA) = KA
 
 
 
 
 
 
 
 
 
 
 
 
 
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Asn a of Pov glie worvelengih a ein tata ‘
Qt Ah 1a cltems_mn_that gp nd _dlalm 45 excilad by. an
an clockeon beam xf La ong Bia ed ok He a ae E =
nunaber—of Lines heute hy tha Uns fone ibe vecll tl :
H
 
 
GS = -/3-6 ev
eg = =/3C tla
 
 
   
 
 
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