1. cili[ ar)sin[ ai[LK)a[1

2. ki[epN pdiY< pr p\kiSni k)rNi[ pDvin) GTni Yiy Ryir[
Si[Piv&>
privt<n(piC& f[>kiv&>)**
pdiY< d[Kivi[
ar)si
p\Ryiv<n (vk\)Bvn)
l[ºs 5

3. qi = qr privt<n aipit ki[N = privt<n ki[N
{l>b an[ p\kiSni (krNi[Y) rciti[ ki[N} qi qf
Before this slide, bounce pass basket ball 8

4. pdiY<n&> AYin
s&y<mi>Y) n)kLti (krNi[ pZ¸v) pr rh[li pdiYi[< pr Y) priv(t<t Yen[ bF) d)Simi> f[liy C[.
- am&k priv(t<t (krNi[Y) ai>K a>jie jiy C[.
aipN[ privt)<t Yy[l (krNi[n) mddY) pdiY<n&> AYin jiN) Sk)a[ C)a[.
dr[k pdiY<ni[ j&di[ j&di[ r>g d[Kivin& kirN pr)vt<n Yti ph[li t[mi> Si[Pie jti (krNi[n[ aiBir) C[. 10

5. smtl ar)si[ tm[ t[ j j&ai[ Ci[ j[ tmir) ai>K s&F) phi[>c[ C[.
- priv(t<t (krNi[ni l)F[ aipN[ pdiY<n&> AYin jiN) Sk)a[ C[.
smtl ar)si[ qr qi
d)vidi>D)n) Ti[c prY) aivti (krNi[ aipNn[ ar)sin) piCLY) pN t[j j³yia[Y) aivti hi[vini[ aiBis Yiy C[.
p\(tb)>b
pdiY< 12

6. smtl ar)si[
{1} si] p\Ym ar)sin[ kiTK&N[ l>b di[ri[ 0 = qi = qr
{2} d)vidi>D) mi>Y) n)kLt&> an[ ar)sin) spiT) pr l>b siY[ K&Ni[
rct&> aipit k)rN di[ri[qi = qr
{3} hv[ ai privt)<t (krNi[n[ piCLn) trf l>bivti ar)sin) piCl a[k (b>d&a[ B[gi YS[. Jyi> d)vidi>D)n&> aiBis) p\(t(b>b rciS[.
udihrN
p\kiSni (krNi[ hk)ktmi> Ryi>Y) udBvti nY) miT[ t[n[ “aiBis) p\(tb)>b” kh[ C[.
Here can do cool light with ½ silvered mirror demo (1041)
aiBis :- ah)Y) ki[e p\kiS jti[ k[ udBvti[ nY) qr qi
demo d d 16

7. b[ ar)sin) mddY) g&Nk privt<n
kiTK&N[ gi[qv[li b>ºn[ ar)simi>Y) p]sini k[Tli p\(t(b>b tmn[ d[Kiy C[.{viAt(vk p]sin[ bikiti riKti}
udihrN 1 2 3 4 5 2
Demo 435 1 3 29

8. vk\ ar)si • • gi[Likir ar)si[: kip m&k[li[ gi[Likir ar)si[
vk\ti (#ijyi
aipit (krN •
a>tgi[<L kic R C R
bh)gi[<L kic
vk\ti (#ijyi
aipit k)rN R C •
demo: 1131
C = vk\ti k[ºW
a>tgi[<L ar)sin) sim[, bh)gi[<L ar)sin) piCL 32

9. a>tgi[L ar)si[ R
m&²y k[ºW
vk\ti (#ijyi
f=R/2
aipit ki[N = privt<n ki[N. aim (krNi[ vk\ti (#ijyi trf privt)<t Yiy C[.
still true that angle of incidence=angle of reflection
m&²y axn[ smi>tr aipit Yti p\kiSni (krNi[ privt)<t Yen[ (b>d& Av$p[ mL[ C[ j[n[ ar)sin&> m&²y k[ºW kh[ C[.
m&²y k[ºWY) ar)sin) privt<k spiT)ni m¹y(b>d& s&F)ni a>trn[ k[ºWl>bie kh[ C[. 35

10. a(³n p\gTivvi miT[ kyi p\kirni[ ar)si[ upyi[gmi> leS&>?
a>tgi[L
j[ kigLn[ sLgivvi[ hi[y t[n[ ar)siY) k[Tli a>tr[ m&kSi[?
k[ºWl>bie j[Tli a>tr[

11. a>tgi[L ar)si[ F F
vk\ti (#ijyi
demo: 44 (light the match)
ar)si pr aipit Yti ph[li k[ºW(b>d& mi>Y) psir Yti (krNi[ vk\ti #i)jyin[ smi>tr privt)<t Yiy C[.
ar)si pr vk\ti #i)jyin[ smi>tr aipit Yti (krNi[ privt)<t Yen[ k[ºW(b>d&mi> mL[ C[. 40

12. bh)gi[<L ar)si[ vk\ti (#ijyi k[ºWb)>d& f=-R/2
priv(t<t (krNi[ vk\ti (#ijyiY) d&rn) trf f[>kiy C[.
vk\ti #i)jyin[ smi>tr (krNi[ privt)<t Yyi bid t[ priv(t<t (krNi[ k[ºW(b>d& prY) ud\Bv Yti hi[y t[vi[ aiBis Yiy C[.
virtual image
m&²yk[ºW {F} Y) ar)sini m¹y(b>d& s&F) ni a>trn[ k[ºWl>bie {f} kh[ C[. 45