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2. {]Imi {]Xn-`m-k-§Ä

3. {]Xn-^-ew(REFLECTION)
anp-k-apÅ{]X-e-¯nÂX«n {]ImiwXncn-¨p-h-cp-¶ {]Xn-`mkw.

4. A]-hÀ¯w(REFRACTION)
{]ImiwHcp am[y-a¯nÂn¶pwasämcp am[y-a¯n-te¡v k©-
cn-¡p-t¼mÄcv am[y-a-§-fp-sSbpwhn`-P-- X-e¯nÂh¨v Inc-
W-¯n-p-m-Ip¶{]Xn-`mkw.

5. {]IoÀWw(DISPERSION)
{]Imiw AXnsâLSI hÀ®-§-fmbn ]ncn-bp¶ {]Xn-`m-kw. {]Im-i-
¯nsâ Cu kz`m-h-amWv ag-hn-Ãnv Imc-W-am-Ip-¶-Xv.

6. hnk-cWw (SCATTERING)
Hcpam[ya¯neqsS {]ImiwIS-¶p-t]m-Ip-t¼mÄs]mSn- ]-S-e-§-
fnepwX·m-{X-I-fnepwX«n-bp-m-Ip¶{Ia-c-ln- Xhpw `mKn-
I-hp-amb {]Xn-^-e--amWvhnk-c-Ww.

7. hn`w-Kw (DIFFRACTION)
kq£-a-§-fmbAXmcyhkvXp-¡-fnÂX«n {]Imiwhfªp k©-cn-¡p-¶
{]Xn-`m-k-amWv hn`w-K-w.