FeouN offCEVifeACTHO
YBS C PHAiiS pENAT)
ouun hoffes di4aulin at
wnil a nole c vaaiain f i n t e a
slit to eplain
Single
ANS
ABowid h C
msider a navoow slit
A pazallel beam o.lighi is n cident noamally upon
st
he slit. Aftes 4he ligh puSses thaough he
he Seem Wn es
on
t
t isfused
es
fJocal lengh ohe
beiwetm slit and
D das tance
waveleng of lkgnt
and C, B asC equallf spaed poinds he
A,
slt (calle l coaoespondi va peinds)
he to CO wil cmveay a1Cto
The s 1 f i t pasalle)
we abright point.1he waves am Codesspding
poiYTS dobive in phase und 3e sult
n
cent oa MaxIm
enside wave daaled al angle to E C
hese waves Conve t Ihe in 4ensity at
, Pont
P d e p nd n pah dil leacn
Sin& 2N
As (
A aSinG
wavele ng h he m
Smal ,
Fs
he wlbe of
Tn his Cose he point
be divided
mteysi . he slit Can
min mu kis
Poinls
halves. The Co e s s pamduing points
into eqntol
vom ea ch halt wil Coycel eah othes.
1Jhe p dikoCwet iS 2 s a
Ceolain @ngu 8So N 2A = a sn.
dividod into
Tn dhnis case he s is
1he Se cendadj
Wayes Um Conesspending p omts SepasalJ
y wi have apalh iHe senc
comcelleath hers to 1 a
md
Such mat u
YnVYA hus
4th {TEL EN 1 nA, w t a minim a
i n- asinEn
, . v A
N Ie '
hu h
sy eeys
ANeUNty
maN
max
distance
dintanee
A
() A A A above O
YBS C PHAiiS pENAT)
ouun hoffes di4aulin at
wnil a nole c vaaiain f i n t e a
slit to eplain
Single
ANS
ABowid h C
msider a navoow slit
A pazallel beam o.lighi is n cident noamally upon
st
he slit. Aftes 4he ligh puSses thaough he
he Seem Wn es
on
t
t isfused
es
fJocal lengh ohe
beiwetm slit and
D das tance
waveleng of lkgnt
and C, B asC equallf spaed poinds he
A,
slt (calle l coaoespondi va peinds)
he to CO wil cmveay a1Cto
The s 1 f i t pasalle)
we abright point.1he waves am Codesspding
poiYTS dobive in phase und 3e sult
n
cent oa MaxIm
enside wave daaled al angle to E C
hese waves Conve t Ihe in 4ensity at
, Pont
P d e p nd n pah dil leacn
Sin& 2N
As (
A aSinG
wavele ng h he m
Smal ,
Fs
he wlbe of
Tn his Cose he point
be divided
mteysi . he slit Can
min mu kis
Poinls
halves. The Co e s s pamduing points
into eqntol
vom ea ch halt wil Coycel eah othes.
1Jhe p dikoCwet iS 2 s a
Ceolain @ngu 8So N 2A = a sn.
dividod into
Tn dhnis case he s is
1he Se cendadj
Wayes Um Conesspending p omts SepasalJ
y wi have apalh iHe senc
comcelleath hers to 1 a
md
Such mat u
YnVYA hus
4th {TEL EN 1 nA, w t a minim a
i n- asinEn
, . v A
N Ie '
hu h
sy eeys
ANeUNty
maN
max
distance
dintanee
A
() A A A above O
