\u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996\u09c7\u09b0 \u0993\u09aa\u09b0 \u0985\u0999\u09cd\u0995\u09bf\u09a4 \u0985\u09ad\u09bf\u09b2\u09ae\u09cd\u09ac\u0995\u09c7 \u09b0\u09b6\u09cd\u09ae\u09bf (ray) \u09ac\u09b2\u09be \u09b9\u09af\u09bc\u0964 \u09a4\u09b0\u0999\u09cd\u0997\u09c7\u09b0 \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u0987 \u09b0\u09b6\u09cd\u09ae\u09bf \u09ac\u09b0\u09be\u09ac\u09b0 \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09ac\u09be \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7\u09b0 \u098f\u0995 \u0985\u0982\u09b6 \u09a5\u09c7\u0995\u09c7 \u0985\u09a8\u09cd\u09af \u0985\u0982\u09b6\u09c7 \u09b8\u09cd\u09a5\u09be\u09a8\u09be\u09a8\u09cd\u09a4\u09b0\u09bf\u09a4 \u09b9\u09af\u09bc\u0964<\/span><\/p>\n\u09b9\u09be\u0987\u0997\u09c7\u09a8\u09b8\u09c7\u09b0 \u09a8\u09c0\u09a4\u09bf\u09b0 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u09a4\u09c7 \u0986\u09b2\u09cb\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8 \u0993 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3<\/b><\/h2>\n(The reflection and refraction of light based on <\/b>Huygens’s P<\/b>rinciple)<\/b><\/h2>\n\u0986\u09b2\u09cb\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8 (Reflection of light) :<\/b><\/h3>\n
\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, XY \u098f\u0995\u099f\u09bf \u09b8\u09ae\u09a4\u09b2 \u09aa\u09cd\u09f0\u09a4\u09bf\u09ab\u09b2\u0995 \u09a4\u09b2\u0964 a, b, c \u09a4\u09bf\u09a8\u099f\u09bf \u09b8\u09ae\u09be\u09a8\u09cd\u09a4\u09b0\u09be\u09b2 \u0986\u09b2\u09cb\u0995 \u09b0\u09b6\u09cd\u09ae\u09bf\u0964 \u098f\u09b0\u09be \u09a4\u09bf\u09b0\u09cd\u09af\u0995\u09ad\u09be\u09ac\u09c7 XY \u09a4\u09b2\u09c7\u09b0 \u0993\u09aa\u09b0 \u0986\u09aa\u09a4\u09bf\u09a4 \u09b9\u09b2\u09cb [\u099a\u09bf\u09a4\u09cd\u09b0 \u09ed.\u09ec]\u0964 \u09a7\u09b0\u09bf, EPA \u098f\u0987 \u09b8\u09ae\u09be\u09a8\u09cd\u09a4\u09b0\u09be\u09b2 \u09b0\u09b6\u09cd\u09ae\u09bf\u0997\u09c1\u09b2\u09cb\u09b0 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996\u0964 \u098f\u09b0 \u09aa\u09cd\u09b0\u09a4\u09cd\u09af\u09c7\u0995\u099f\u09bf \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u0986\u09b2\u09cb\u09a1\u09bc\u09a8 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u0995\u09b0\u09ac\u09c7 \u098f\u09ac\u0982 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0 \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0 \u0997\u09cc\u09a3 \u09a4\u09b0\u0999\u09cd\u0997 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09ac\u09c7\u0964 \u098f\u0987 \u0997\u09cc\u09a3 \u09a4\u09b0\u0999\u09cd\u0997\u0997\u09c1\u09b2\u09cb \u099a\u09be\u09b0\u09a6\u09bf\u0995\u09c7 \u099b\u09a1\u09bc\u09bf\u09af\u09bc\u09c7 \u09aa\u09a1\u09bc\u09ac\u09c7\u0964 <\/span><\/p>\n\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09b9\u09a4\u09c7 \u098f\u0995\u099f\u09bf \u0986\u09b2\u09cb\u0995 \u09b0\u09b6\u09cd\u09ae\u09bf <\/span>t<\/span> \u09b8\u09ae\u09af\u09bc\u09c7 XY \u09aa\u09c3\u09b7\u09cd\u09a0\u09c7\u09b0 F \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u09aa\u09cc\u0981\u099b\u09ac\u09c7\u0964 \u09ab\u09b2\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09bf\u09a4 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996 FMN \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7\u0964 \u09af\u09a6\u09bf \u09ac\u09be\u09a4\u09be\u09b8\u09c7 \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09ac\u09c7\u0997 <\/span> \u09b9\u09af\u09bc, \u09a4\u09ac\u09c7 FA = o<\/span>t<\/span>\u0964 \u098f\u0996\u09a8 E-\u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 FA = ot-\u0995\u09c7 \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u09a7 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u0985\u0999\u09cd\u0995\u09a8 \u0995\u09b0\u09b2\u09c7 FMN \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7\u0964 FMN-\u098f\u09b0 \u09b8\u09cd\u09aa\u09b0\u09cd\u09b6\u0995 \u0985\u0999\u09cd\u0995\u09a8 \u0995\u09b0\u09c7 \u09a8\u09a4\u09c1\u09a8 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7\u0964 \u098f\u099f\u09bf\u0987 \u09b9\u09b2\u09cb \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09bf\u09a4 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996\u0964<\/span><\/p>\n![\"\u0986\u09b2\u09cb\u09b0](\"https:\/\/10minuteschool.com\/content\/wp-content\/uploads\/2022\/03\/image25-300x152.png\")
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<\/p>\n
\u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u09be\u09ac\u09b2\u09bf \u09aa\u09cd\u09b0\u09ae\u09be\u09a3 :<\/b><\/h4>\n
\\Delta AEF<\/span> <\/span>\u0993 \\Delta NEF<\/span><\/span>-\u098f\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \\angle EAF = \\angle ENF = 1<\/span><\/span>\u09b8\u09ae\u0995\u09cb\u09a3, AF = EN = ot <\/span><\/span>\u00a0\u098f\u09ac\u0982 EF \u09a4\u09be\u09a6\u09c7\u09b0 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ac\u09be\u09b9\u09c1\u0964<\/span>
\n<\/span>\u2234<\/span>\u09a4\u09cd\u09b0\u09bf\u09ad\u09c1\u099c\u09a6\u09cd\u09ac\u09af\u09bc \u09b8\u09b0\u09cd\u09ac\u09b8\u09ae \u098f\u09ac\u0982 \\angle AEF = \\angle EFN <\/span><\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span>
\n<\/span>\u098f\u0996\u09a8 \u0986\u09aa\u09a4\u09a8 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 E-\u09a4\u09c7 EB \u09b2\u09ae\u09cd\u09ac \u09b9\u09b2\u09c7,<\/span>
\n<\/span>\\angle \\alpha EB + \\angle BEA = \\angle BEA + \\angle AEF = 1 <\/span> \u09b8\u09ae\u0995\u09cb\u09a3<\/span>
\n<\/span>\\therefore \\angle \\eta EB= \\angle AEF = <\/span><\/span> \u0986\u09aa\u09a4\u09a8 \u0995\u09cb\u09a3, \\angle i <\/span><\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span>
\n<\/span>\u0986\u09ac\u09be\u09b0, \\angle \\eta EB + \\angle NEF = \\angle EFN + \\angle NEF = 1<\/span><\/span>\u00a0\u09b8\u09ae\u0995\u09cb\u09a3<\/span>
\n<\/span>\\therefore \\angle NEB = \\angle EFN = <\/span><\/span> \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8 \u0995\u09cb\u09a3, \\angle r <\/span><\/span>\u00a0 <\/span>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span>
\n<\/span>\u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u09b9\u09a4\u09c7 \u09b2\u09c7\u0996\u09be \u09af\u09be\u09af\u09bc, \u0986\u09aa\u09a4\u09a8 \u0995\u09cb\u09a3, \\angle i<\/span><\/span> = \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8 \u0995\u09cb\u09a3, \\angle r <\/span><\/span> \u0964 \u098f \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8\u09c7\u09b0 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u09b8\u09c2\u09a4\u09cd\u09b0 \u09aa\u09cd\u09b0\u09ae\u09be\u09a3\u09bf\u09a4 \u09b9\u09b2\u09cb\u0964<\/span><\/p>\n\u0986\u09ac\u09be\u09b0, \u0986\u09aa\u09a4\u09bf\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf \\alpha E <\/span><\/span>, \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09bf\u09a4 \u09b0\u09b6\u09bf EN \u098f\u09ac\u0982 \u0986\u09aa\u09a4\u09a8 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u0985\u0999\u09cd\u0995\u09bf\u09a4 \u0985\u09ad\u09bf\u09b2\u09ae\u09cd\u09ac EB \u0995\u09be\u0997\u099c\u09c7\u09b0 \u098f\u0995\u0987 <\/span>\u09b8\u09ae\u09a4\u09b2\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4\u0964 \u098f \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u09b8\u09c2\u09a4\u09cd\u09b0\u099f\u09bf \u09aa\u09cd\u09b0\u09ae\u09be\u09a3\u09bf\u09a4 \u09b9\u09b2\u09cb\u0964<\/span><\/p>\n\u0985\u09a4\u098f\u09ac \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09a4\u09b0\u0999\u09cd\u0997 \u09a4\u09a4\u09cd\u09a4\u09cd\u09ac\u0995\u09c7 \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf \u0995\u09b0\u09c7 \u09b9\u09be\u0987\u0997\u09c7\u09a8\u09b8-\u098f\u09b0 \u09a8\u09c0\u09a4\u09bf \u0985\u09a8\u09c1\u09b8\u09be\u09b0\u09c7 (Huygens’s principle) \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09b8\u09c2\u09a4\u09cd\u09b0\u0987 \u09aa\u09cd\u09b0\u09ae\u09be\u09a3\u09bf\u09a4 \u09b9\u09b2\u09cb\u0964<\/span><\/p>\n\u0986\u09b2\u09cb\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3 (Refraction of light):<\/b>\u00a0<\/b><\/h3>\n
\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, ‘a’ \u0993 ‘b’ \u09a6\u09c1\u099f\u09bf \u09b8\u09cd\u09ac\u099a\u09cd\u099b \u09b8\u09ae\u09b8\u09a4\u09cd\u09a4\u09cd\u09ac \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u0964 XY \u098f\u09a6\u09c7\u09b0 \u09ac\u09bf\u09ad\u09c7\u09a6\u09a4\u09b2\u0964 \u09a7\u09b0\u09bf ‘a’ \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09ac\u09c7\u0997 v_a <\/span><\/span> \u098f\u09ac\u0982 ‘b’ \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09ac\u09c7\u0997 v_b <\/span><\/span>\u09f7 \u098f\u0996\u09be\u09a8\u09c7 v_a > v_b\u00a0 <\/span> <\/span>\u0964 \u09ae\u09a8\u09c7 \u0995\u09b0\u09bf d, e, f \u09a4\u09bf\u09a8\u099f\u09bf \u09b8\u09ae\u09be\u09a8\u09cd\u09a4\u09b0\u09be\u09b2 \u09b0\u09b6\u09cd\u09ae\u09bf\u0964 \u098f\u09b0\u09be \u09a4\u09bf\u09b0\u09cd\u09af\u0995\u09ad\u09be\u09ac\u09c7 XY \u09a4\u09b2\u09c7 \u0986\u09aa\u09a4\u09bf\u09a4 \u09b9\u09b2\u09cb \u0964 APE \u09b0\u09b6\u09cd\u09ae\u09bf\u09b8\u09ae\u09c2\u09b9\u09c7\u09b0 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996\u0964<\/span>
\n<\/span>\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, EPA \u09a4\u09b0\u09ae\u09c1\u0996 \u09aa\u09cd\u09b0\u09a5\u09ae\u09c7 \u09ac\u09bf\u09ad\u09c7\u09a6 \u09a4\u09b2\u09c7\u09b0 E \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u09b8\u09cd\u09aa\u09b0\u09cd\u09b6 \u0995\u09b0\u09c7\u0964 \u09b9\u09be\u0987\u0997\u09c7\u09a8\u09b8-\u098f\u09b0 \u09a8\u09c0\u09a4\u09bf \u0985\u09a8\u09c1\u09b8\u09be\u09b0\u09c7 \u0993\u0987 E \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4 \u098f\u09b0 \u0995\u09a3\u09be\u099f\u09bf \u0986\u09b2\u09cb\u09a1\u09bc\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7 \u0997\u09cc\u09a3 \u09a4\u09b0\u0999\u09cd\u0997 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 ‘a’ \u0993 ‘b\u2018 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 <\/span>v_a <\/span><\/span>,<\/span> \u0993 <\/span>v_b <\/span><\/span><\/strong> \u09ac\u09c7\u0997\u09c7 \u099b\u09a1\u09bc\u09bf\u09af\u09bc\u09c7 \u09aa\u09a1\u09bc\u09c7\u0964 \u098f\u0996\u09a8 A \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09b9\u09a4\u09c7 \u0986\u09b2\u09cb\u09a1\u09bc\u09a8\u099f\u09bf\u09b0 F \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u09aa\u09cc\u099b\u09a4\u09c7 \u09af\u09a6\u09bf t \u09b8\u09ae\u09af\u09bc \u09b2\u09be\u0997\u09c7 \u09a4\u09be \u09b9\u09b2\u09c7 FA = v_at <\/span><\/span>\u0964 \u0989\u0995\u09cd\u09a4 \u09b8\u09ae\u09af\u09bc\u09c7 E \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u0986\u09b2\u09cb\u0995 \u09a4\u09b0\u0999\u09cd\u0997 ‘b’ \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 EN \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac \u0985\u09a4\u09bf\u0995\u09cd\u09b0\u09ae \u0995\u09b0\u09ac\u09c7\u0964 \u0985\u09a4\u098f\u09ac EN = v_at <\/span><\/span>\u00a0\u09b9\u09ac\u09c7\u0964<\/span><\/p>\nA-\u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u0995\u09b0\u09c7 \u098f\u09ac\u0982 EN = v_bt <\/span><\/span>-\u0995\u09c7 \u09ac\u09cd\u09af\u09be\u09b8\u09be\u09b0\u09cd\u09a7 \u0995\u09b0\u09c7 \u098f\u0995\u099f\u09bf \u09ac\u09c3\u09a4\u09cd\u09a4\u099a\u09be\u09aa \u0985\u0999\u09cd\u0995\u09a8 \u0995\u09b0\u09bf \u098f\u09ac\u0982 \u09a4\u09be\u09b0 \u0993\u09aa\u09b0 FN \u09b8\u09cd\u09aa\u09b0\u09cd\u09b6\u0995 \u099f\u09be\u09a8\u09b2\u09c7 FMN \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09c3\u09a4 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09ac\u09c7\u0964<\/span><\/p>\n![\"\u0986\u09b2\u09cb\u09b0](\"https:\/\/10minuteschool.com\/content\/wp-content\/uploads\/2022\/03\/image24-300x194.png\")
<\/p>\n
\u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0\u09be\u09ac\u09b2\u09bf \u09aa\u09cd\u09b0\u09ae\u09be\u09a3 :<\/b>\u00a0<\/span><\/h4>\nE \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09a6\u09bf\u09af\u09bc\u09c7 XY-\u098f\u09b0 \u0993\u09aa\u09b0 \u09b2\u09ae\u09cd\u09ac BEB’ \u0985\u0999\u09cd\u0995\u09a8 \u0995\u09b0\u09bf\u0964<\/span>
\n<\/span>\u098f\u0996\u09a8, \\angle dEB + \\angle BEA = \\angle BEA + \\angle AEF = 1 <\/span><\/span>\u00a0\u09b8\u09ae\u0995\u09cb\u09a3<\/span>
\n<\/span>\\therefore \\angle dEB = \\angle AEF = <\/span><\/span>\u0986\u09aa\u09a4\u09a8 \u0995\u09cb\u09a3, \\angle i <\/span><\/span>
\n<\/span>\u0986\u09ac\u09be\u09b0, \\angle B^{\\prime}EN + \\angle NEF = \\angle NEF + \\angle EFN = 1 <\/span><\/span>\u00a0\u09b8\u09ae\u0995\u09cb\u09a3<\/span>
\n<\/span>\\angle B^{\\prime}EN = \\angle EFN = <\/span> \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3 \u0995\u09cb\u09a3, \\angle r <\/span><\/span><\/p>\n\u09b8\u09c1\u09a4\u09b0\u09be\u0982 \\frac{\\sin i}{\\sin r}=\\frac{\\sin \\angle dEB}{\\sin \\angle B^{\\prime}EN}=\\frac{\\sin \\angle AEF}{\\sin \\angle EFN} <\/span><\/span>\u00a0\u00a0<\/span><\/p>\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0=\\frac{AF\/EF}{EN\/EF}=\\frac{AF}{EN}=\\frac{v_{a} t}{v_{b} t}=\\frac{v_{a}}{v_{b}}= <\/span><\/span> \u098f\u0995\u099f\u09bf \u09a7\u09cd\u09b0\u09c1\u09ac \u09b8\u0982\u0996\u09cd\u09af\u09be <\/span>= a^{\\mu}b <\/span><\/span><\/p>\n= a^{\\mu}b <\/span><\/span> \u09b9\u09b2\u09cb<\/span>\u00a0a\u00a0<\/span>\u09ae\u09be\u09a7\u09cd\u09af\u09ae<\/span>\u00a0<\/span>\u09b8\u09be\u09aa\u09c7\u0995\u09cd\u09b7\u09c7<\/span>\u00a0b\u00a0<\/span>\u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7\u09b0<\/span>\u00a0<\/span>\u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09be\u09b0\u0999\u09cd\u0995\u0964<\/span><\/p>\n\u098f\u099f\u09bf \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09b8\u09cd\u09a8\u09c7\u09b2\u09c7\u09b0 \u09b8\u09c2\u09a4\u09cd\u09b0 \u09ac\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3\u09c7\u09b0 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u09b8\u09c2\u09a4\u09cd\u09b0\u099f\u09bf \u09aa\u09cd\u09b0\u09ae\u09be\u09a3\u09bf\u09a4 \u09b9\u09b2\u09cb\u0964 \u0986\u09ac\u09be\u09b0 \u0986\u09aa\u09a4\u09bf\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf dE, \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09c3\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf EN \u098f\u09ac\u0982 \u0986\u09aa\u09a4\u09a8 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u0985\u0999\u09cd\u0995\u09bf\u09a4 \u0985\u09ad\u09bf\u09b2\u09ae\u09cd\u09ac BEB’ \u0995\u09be\u0997\u099c\u09c7\u09b0 \u098f\u0995\u0987 \u09b8\u09ae\u09a4\u09b2\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4\u0964 \u098f\u099f\u09bf \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09b0\u09a3\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u09b8\u09c2\u09a4\u09cd\u09b0\u099f\u09bf \u09b9\u09be\u0987\u0997\u09c7\u09a8\u09b8-\u098f\u09b0 \u09a8\u09c0\u09a4\u09bf \u0985\u09a8\u09c1\u09b8\u09be\u09b0\u09c7 (Huygens’s principle) \u09aa\u09cd\u09b0\u09ae\u09be\u09a3\u09bf\u09a4 \u09b9\u09b2\u09cb\u0964<\/span><\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
\u09b9\u09be\u0987\u0997\u09c7\u09a8\u09b8-\u098f\u09b0\u00a0 \u09a8\u09c0\u09a4\u09bf\u09a4\u09c7 \u0986\u09b2\u09be\u0995\u09c7 \u09a4\u09b0\u0999\u09cd\u0997\u09c7\u09b0 \u09ac\u09bf\u09b8\u09cd\u09a4\u09be\u09b0 \u0995\u09cc\u09b6\u09b2 (Propagation of light waves on the basis of Huygens’s principle) \u09a7\u09be\u09b0\u09a3\u09be (Concept) :\u00a0 \u0989\u09ce\u09b8 \u099c\u09be\u09a8\u09be \u09a5\u09be\u0995\u09b2\u09c7 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09a8\u09bf\u09af\u09bc\u09ae\u09c7 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996\u09c7\u09b0 \u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u09b8\u09ae\u09af\u09bc\u09c7\u09b0 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09a8 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964 \u0989\u09ce\u09b8 \u099c\u09be\u09a8\u09be \u09a8\u09be \u09a5\u09be\u0995\u09b2\u09c7\u0993 \u0995\u09cb\u09a8\u09cb \u098f\u0995 \u09b8\u09ae\u09af\u09bc\u09c7\u09b0 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996\u09c7\u09b0<\/p>\n
Read More<\/a><\/p>\n","protected":false},"author":56,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4251,3029,50,51,1],"tags":[],"_links":{"self":[{"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/posts\/4932"}],"collection":[{"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/users\/56"}],"replies":[{"embeddable":true,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/comments?post=4932"}],"version-history":[{"count":15,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/posts\/4932\/revisions"}],"predecessor-version":[{"id":15039,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/posts\/4932\/revisions\/15039"}],"wp:attachment":[{"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/media?parent=4932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/categories?post=4932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/tags?post=4932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\u09b9\u09be\u0987\u0997\u09c7\u09a8\u09b8-\u098f\u09b0](\"https:\/\/10minuteschool.com\/content\/wp-content\/uploads\/2022\/03\/image4-300x129.png\")
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