> very hight
valve Date ie
paneer ts LI
__Newaton's ‘feaze theory Bf Hight + LIGA
“source emis _tiay— paniclescalled —__
lakic, xigid € massless.» oltfferent haps,
a coxpuscllte _(e
water > al
42 Diffesennl_colors aft ht fave_diffeventahapes _
anel|_size
Fe_ewlaind: Ch pertilineay motion
Gi) Reflection
1 cu Refraction
He con't &xblaing
a Interference of ie, ] 1ag0 Theor!
cils__Diffraction ( ejected
| ot erisaten ] Focannt proved
exberimently 7
[tp wates < Cay | [tspees) enue ON
ape of dight (lo78):
ae : lg
1 * Ethers <= > @ .
> Ether! _ Theory 2 p ae ;
A aithaes: ns theory _can_explain=y
Rechlineay_makion +“ _{ a
Reflechion —_(_£= ae cael th
= | Refraction (Snell's a9) / — a4
= || Interference 7
= || Diffraction _
Yall Polovicabion ~ C Cart explain) x
Hijgens Principle:
7 ] Wavefrar t
cil 9¢ 42 te focus of all points ef a medriane which
ve thon bi, 5 e
r= A nigel :
disp of particle
Wwe tk»
Baht
je. whtkh
*
f fl A a Wavefront
. (Spharical
al cLirechow_of prepogation of wave (a —obtwouss
ty savant :
Stee
7 TP
as
git > ‘Spravieay wave front
SI Pont source of
Sours OF CO
ae se
xy ainl_on a tonuefon acl a0 some
ances. Whtch— —errta thet oun
| toavelets:- cabled gecondary wavelets
secondavy wavelets
source of aec- Uiskrbane,
| Soy usa:
The copnman—tament an seconal
cA diveckinn
avelety iy
vee
wavefront DBS neident ave pa
Iw (8), Ref Sure (ac) & Reflected wavefront (cp) all
Lae 1 40 plan ef board:
Gi re oe tb Ab. ‘|e ae 4% dice nthe plone
‘ oe
|L_Novmat te 1 to AC } of bea) ame plant.
w
| Reflected voy ave 1 Yt CO ae {+ [BOL (tight is nt acephed 09 save
“Young's —Dauble_slit_ Experiment _(¥DSE)
Qeveen
eT] i
[eee
sa FF Sit \
ere
pouree Ow
ti feng
_ Bright 3 lonchuodiv
fotesference 2 Maxima
Dn=oA,24
A = OY
BA 4A...
| Sa : Path dif.
|
=——!
=—
pal olift
n= A
5h phe
ss tee
try LLinent_ of Pile)
: =
Th = ¥+2]
[oan oT
ee aye _mox?e than ono
Lin the Same mectirna -
bof “the eS?
pbiyalacem nk prrducecl by each wave alent:
H
Tl v, Bt h+Br-----
l Ynep =
7
H
|
i
pg ticle (2 yen
nat
=
l
—7
y, ; ey YS
HAs fokeenk :
Ss OqHe
Te AiSinywe + km)
a -__+ Ay Sih (ot th
bata i
yin MY once
pase pirFeence: _p = B=
Piece DicFeRENcE
: =tw LJ CME eq” of Combination of SH:
J
Ug = Ag Sin (ot thn +8)
| Cymel, [pang 2 snd =)
a ee
| Seteneily of tones + Lo anf at py
tp ame] $neolZamt—§ Blt Goi
i DV Ghavent sources.
Dieta SEE tone etna
min =-1
wy
1a)
if Gag > max = +4
b= 7, 30, $m, 70 -
edd |
P=
nse) 7)
peo, 30,47, 60 ---
n=! ,24314- — =
n=o,!
ve,
PS SIT
(i
be ! 24 (a9)
Tw An =
2)
an
ted)
eee
2552
a
Ax =A [gnn) end
ir 2,3-)|
(nzPih
fae
ad 00
Bright = ce
vp
tose =!
Ais Aba he + TAAL
ag = (rtPay ——__—|
a > At Pa |
eee
i