Wave optics
+ Wavefont:
docus
A Wawe ronk is the continuous
in Bame
O4 brating paticles ich are
SAate of ibraion or phose
conouining
her wovds it s a swface
particls.
bome phase vibrating
Light ra are perÙendiculay to tle wavefort
Tuee a e three tyßes of ave tront
1. Ploe wowe ront
2. Sphical oowe f6nt
3. Cylindrical wawe font
’ Plane wave front: when ligut Bouree sal
olistomce then
nfini is
tront produce d fom tlus fouree
Wave
Contile re as plame wave fno nt
Loplaneaaufont
Souree
is at ininty
’ Sphi al wve front
when Sourea is a poi t sowree a d
h all derectio rth s&ome
Leght ravels trom tuis
wanefront produeed
bpeedten wavefront
Souree s spherical
, ’ Cy lindrical wawetront i
then igut owr ee s linean i'n Sie
is Cylindi cal waefrot
Produee d trom t i s Sewre
waveont
# Huggen's Principle:
acts as a ource
() Each pont on a wave-front Conday walelets,
calle d Se
of dres disturbamce in al diseetion
eit
Secondary wavelets ipgead
velocity of Ligut
() The new PoSiion of wavefront at any insfaut
wawelets.
AB is a
wawefront
Beongy Soree
P. aR ete are tue
wavetront
ABst e ne) posiion of
a'' wavefront docs ndh te tn baeiçaer direetaa
+ Wavefont:
docus
A Wawe ronk is the continuous
in Bame
O4 brating paticles ich are
SAate of ibraion or phose
conouining
her wovds it s a swface
particls.
bome phase vibrating
Light ra are perÙendiculay to tle wavefort
Tuee a e three tyßes of ave tront
1. Ploe wowe ront
2. Sphical oowe f6nt
3. Cylindrical wawe font
’ Plane wave front: when ligut Bouree sal
olistomce then
nfini is
tront produce d fom tlus fouree
Wave
Contile re as plame wave fno nt
Loplaneaaufont
Souree
is at ininty
’ Sphi al wve front
when Sourea is a poi t sowree a d
h all derectio rth s&ome
Leght ravels trom tuis
wanefront produeed
bpeedten wavefront
Souree s spherical
, ’ Cy lindrical wawetront i
then igut owr ee s linean i'n Sie
is Cylindi cal waefrot
Produee d trom t i s Sewre
waveont
# Huggen's Principle:
acts as a ource
() Each pont on a wave-front Conday walelets,
calle d Se
of dres disturbamce in al diseetion
eit
Secondary wavelets ipgead
velocity of Ligut
() The new PoSiion of wavefront at any insfaut
wawelets.
AB is a
wawefront
Beongy Soree
P. aR ete are tue
wavetront
ABst e ne) posiion of
a'' wavefront docs ndh te tn baeiçaer direetaa
