{"id":5157,"date":"2022-03-24T20:31:57","date_gmt":"2022-03-24T20:31:57","guid":{"rendered":"https:\/\/10minuteschool.com\/content\/?p=5157"},"modified":"2022-06-30T15:07:19","modified_gmt":"2022-06-30T09:07:19","slug":"diffraction-grating-of-light","status":"publish","type":"post","link":"https:\/\/10minuteschool.com\/content\/diffraction-grating-of-light\/","title":{"rendered":"\u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 (Diffraction Grating)"},"content":{"rendered":"<h2><strong>\u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 (Diffraction Grating)<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/10minuteschool.com\/content\/diffraction-of-light\/\">\u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8<\/a> \u09b8\u09c3\u09b7\u09cd\u099f\u09bf \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0995\u099f\u09bf \u09ac\u09bf\u09b6\u09c7\u09b7 \u09ac\u09cd\u09af\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u09a8\u09be\u09ae \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982(Grating) \u09ac\u09be \u099d\u09be\u0981\u099d\u09b0\u09bf\u0964 \u0985\u09a8\u09c7\u0995\u0997\u09c1\u09b2\u09cb \u09b8\u09ae\u09aa\u09cd\u09b0\u09b8\u09cd\u09a5\u09c7\u09b0 \u09b0\u09c7\u0996\u09be\u099b\u09bf\u09a6\u09cd\u09b0 <\/span><span style=\"font-weight: 400;\">\u09aa\u09be\u09b6\u09be\u09aa\u09be\u09b6\u09bf \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09c7 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09ac\u09be \u099d\u09be\u099d\u09b0\u09bf \u0997\u09a0\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09aa\u09cd\u09b0\u09a7\u09be\u09a8\u09a4 \u09a6\u09c1\u0987 \u09aa\u09cd\u09b0\u0995\u09be\u09b0, \u09af\u09a5\u09be\u2014<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><b>\u09e7\u0964 \u09a8\u09bf\u0983\u09b8\u09b0\u09a3 \u09ac\u09be \u09a8\u09bf\u09b0\u09cd\u0997\u09ae\u09a8 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 <\/b><span style=\"font-weight: 400;\">(Transmission grating) \u098f\u09ac\u0982<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><b>\u09e8\u0964 \u09aa\u09cd\u09b0\u09a4\u09bf\u09ab\u09b2\u09a8 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 <\/b><span style=\"font-weight: 400;\">(Reflection grating)\u0964<\/span><\/p>\n<h2><b>\u09a8\u09bf\u0983\u09b8\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982<\/b><b><br \/>\n<\/b><b>(Transmission grating) :<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0986\u09b2\u09cb\u0995 \u0989\u09ce\u09b8\u0995\u09c7 \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u0985\u09a4\u09bf \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u09c0\u09af\u09bc \u09af\u09a8\u09cd\u09a4\u09cd\u09b0\u09be\u0982\u09b6 \u09b9\u09b2\u09cb \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982\u0964 \u098f\u0995\u099f\u09bf \u09b8\u09c2\u099a\u09be\u09b2\u09cb \u0985\u0997\u09cd\u09b0\u09ad\u09be\u0997-<\/span><span style=\"font-weight: 400;\">\u09ac\u09bf\u09b6\u09bf\u09b7\u09cd\u099f \u09b9\u09c0\u09b0\u09be\u09b0 \u099f\u09c1\u0995\u09b0\u09be \u09a6\u09bf\u09af\u09bc\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u09ac\u099a\u09cd\u099b \u09b8\u09ae\u09a4\u09b2 \u0995\u09be\u099a \u09aa\u09be\u09a4\u09c7 \u09a6\u09be\u0997 \u0995\u09c7\u099f\u09c7 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f \u09aa\u09cd\u09b0\u09a4\u09bf \u09b8\u09c7\u09a8\u09cd\u099f\u09bf\u09ae\u09bf\u099f\u09be\u09b0\u09c7 \u09aa\u09cd\u09b0\u09be\u09af\u09bc 10,000\u099f\u09bf \u09a6\u09be\u0997 \u0995\u09be\u099f\u09be \u09a5\u09be\u0995\u09c7\u0964 \u098f\u0995 \u098f\u0995\u099f\u09bf \u099a\u09bf\u09a1\u09bc\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 \u09aa\u09cd\u09b0\u09be\u09af\u09bc <span class=\"katex-eq\" data-katex-display=\"false\">10^{-4} <\/span><\/span><span style=\"font-weight: 400;\">cm\u0964<\/span><\/p>\n<p><b>\u09b8\u0982\u099c\u09cd\u099e\u09be : <\/b><span style=\"font-weight: 400;\">\u09aa\u09be\u09b6\u09be\u09aa\u09be\u09b6\u09bf \u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u0985\u09a8\u09c7\u0995\u0997\u09c1\u09b2\u09cb \u09b8\u09ae\u09aa\u09cd\u09b0\u09b8\u09cd\u09a5\u09c7\u09b0 \u09b8\u09c2\u0995\u09cd\u09b7\u09cd\u09ae \u099a\u09bf\u09a1\u09bc\u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8 \u09aa\u09be\u09a4\u0995\u09c7 \u09a8\u09bf\u0983\u09b8\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09ac\u09b2\u09c7\u0964 \u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u0995\u09be\u099c\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be\u0997\u09be\u09b0\u09c7 \u0986\u09b0 \u098f\u0995 \u09aa\u09cd\u09b0\u0995\u09be\u09b0\u09c7\u09b0 \u09a8\u09bf\u0983\u09b8\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964 \u09aa\u09cd\u09b0\u0995\u09c3\u09a4 \u09b0\u09c7\u0996\u09be\u0999\u09cd\u0995\u09bf\u09a4 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 <\/span><span style=\"font-weight: 400;\">\u09b9\u09a4\u09c7 \u09b8\u09c7\u09b2\u09c1\u09b2\u09af\u09bc\u09c7\u09a1 \u09ab\u09bf\u09b2\u09cd\u09ae\u09c7\u09b0 \u0993\u09aa\u09b0 \u09a2\u09be\u09b2\u09be\u0987 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7 \u098f\u0987 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a4\u09c1\u09a4 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964 \u098f\u09b0 \u09a8\u09be\u09ae \u09aa\u09cd\u09b0\u09a4\u09bf\u09b2\u09bf\u09aa\u09bf \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 (Replica grating)\u0964<\/span><\/p>\n<h2><b>\u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995<\/b><b><br \/>\n<\/b><b>Grating constant :<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u098f\u0995\u099f\u09bf \u099a\u09bf\u09a1\u09bc\u09c7\u09b0 \u09b6\u09c1\u09b0\u09c1 \u09a5\u09c7\u0995\u09c7 \u09aa\u09b0\u09ac\u09b0\u09cd\u09a4\u09c0 \u099a\u09bf\u09a1\u09bc\u09c7\u09b0 \u09b6\u09c1\u09b0\u09c1 \u09aa\u09b0\u09cd\u09af\u09a8\u09cd\u09a4 \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac\u0995\u09c7 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995 \u09ac\u09b2\u09be \u09b9\u09af\u09bc\u0964 \u0985\u09a8\u09cd\u09af\u09ad\u09be\u09ac\u09c7 \u09ac\u09b2\u09be <\/span><span style=\"font-weight: 400;\">\u09af\u09be\u09af\u09bc \u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u099a\u09bf\u09a1\u09bc\u09c7\u09b0 \u09b6\u09c7\u09b7 \u09aa\u09cd\u09b0\u09be\u09a8\u09cd\u09a4 \u09a5\u09c7\u0995\u09c7 \u09aa\u09b0\u09ac\u09b0\u09cd\u09a4\u09c0 \u099a\u09bf\u09a1\u09bc\u09c7\u09b0 \u09b6\u09c7\u09b7 \u09aa\u09cd\u09b0\u09be\u09a8\u09cd\u09a4\u09c7\u09b0 \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac\u0995\u09c7 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995 \u09ac\u09b2\u09c7\u0964<\/span><\/p>\n<p><b>\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be : <\/b><span style=\"font-weight: 400;\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, \u098f\u0995\u099f\u09bf \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf \u099a\u09bf\u09a1\u09bc\u09c7\u09b0 \u09ac\u09c7\u09a7 \u09ac\u09be \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 = a<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u098f\u09ac\u0982 \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf \u09b0\u09c7\u0996\u09be\u09b0 \u09ac\u09c7\u09a7 \u09ac\u09be \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5 = b<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u09b8\u0982\u099c\u09cd\u099e\u09be\u09a8\u09c1\u09b8\u09be\u09b0\u09c7, \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09a7\u09c1\u09ac\u0995, d = a + b<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">d-\u0995\u09c7 \u0985\u09a8\u09c7\u0995 \u09b8\u09ae\u09af\u09bc \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u0989\u09aa\u09be\u09a6\u09be\u09a8 (Grating element) \u09ac\u09b2\u09be \u09b9\u09af\u09bc\u0964<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f\u09b0 \u2018d\u2019 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u09c7 \u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be = 1\u099f\u09bf<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u0985\u09a4\u098f\u09ac, \u098f\u0995\u0995 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u09c7 \u09b0\u09c7\u0996\u09be\u09b0 \u09b8\u0982\u0996\u09cd\u09af\u09be, <span class=\"katex-eq\" data-katex-display=\"false\">N=\\frac{1}{d}=\\frac{1}{a+b} <\/span><\/span><span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f\u09b0 (a + b) \u09ac\u09cd\u09af\u09ac\u09a7\u09be\u09a8\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4 \u09a6\u09c1\u099f\u09bf \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0995\u09c7 \u09ac\u09b2\u09be \u09b9\u09af\u09bc \u0985\u09a8\u09c1\u09b0\u09c2\u09aa \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 (corresponding points)\u0964<\/span><\/p>\n<h2><b>\u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0<\/b><b><br \/>\n<\/b><b>Uses of grating :<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u0995\u09be\u099c\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc\u0964 \u09a8\u09bf\u09ae\u09cd\u09a8\u09c7 \u098f\u09b0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0989\u09b2\u09cd\u09b2\u09c7\u0996 \u0995\u09b0\u09be \u09b9\u09b2\u09cb\u2014<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">(\u09e7) \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09a4\u09b0\u0999\u09cd\u0997\u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">(\u09e8) \u098f\u0995\u0987 \u09a4\u09b0\u0999\u09cd\u0997\u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09ac\u09b0\u09cd\u09a3\u09be\u09b2\u09bf \u09b0\u09c7\u0996\u09be \u09aa\u09c3\u09a5\u0995 \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">(\u09e9) \u09a4\u09b0\u0999\u09cd\u0997\u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u09c7\u09b0 \u09b8\u09be\u09aa\u09c7\u0995\u09cd\u09b7\u09c7 \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8 \u0995\u09cb\u09a3\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09c7\u09b0 \u09b9\u09be\u09b0 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09be \u09af\u09be\u09af\u09bc\u0964<\/span><\/p>\n<h2><b>\u09b8\u09ae\u09a4\u09b2 \u09a8\u09bf\u0983\u09b8\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u0995\u09b0\u09cd\u09a4\u09c3\u0995 \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8<\/b><b><br \/>\n<\/b><b>Diffraction by a plane transmission grating<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf, ABCD \u0995\u09be\u0997\u099c\u09c7\u09b0 \u0985\u09ad\u09bf\u09b2\u09ae\u09cd\u09ac \u09a4\u09b2\u09c7 \u098f\u0995\u099f\u09bf \u09b8\u09ae\u09a4\u09b2 \u09a8\u09bf\u0983\u09b8\u09b0\u09a3 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 [\u099a\u09bf\u09a4\u09cd\u09b0\u00a0 ]\u0964 \u09a7\u09b0\u09bf \u098f\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u0985\u09b8\u09cd\u09ac\u099a\u09cd\u099b \u09b0\u09c7\u0996\u09be\u09b0 \u09ac\u09c7\u09a7 \u2018b\u2019 \u0993 \u09b8\u09cd\u09ac\u099a\u09cd\u099b \u0985\u0982\u09b6\u09c7\u09b0 \u09ac\u09c7\u09a7 \u2018a&#8217;. \u098f\u0996\u09be\u09a8\u09c7 (a+b) \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac\u0995\u09c7 \u09ac\u09b2\u09be \u09b9\u09af\u09bc \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u0989\u09aa\u09be\u09a6\u09be\u09a8 (grating element) \u09ac\u09be \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09a7\u09cd\u09b0\u09c1\u09ac\u0995 (grating constant)\u0964 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f\u09b0 (a+b) \u09ac\u09cd\u09af\u09ac\u09a7\u09be\u09a8\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4 \u09a6\u09c1\u0987\u099f\u09bf \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0995\u09c7 \u09ac\u09b2\u09be \u09b9\u09af\u09bc \u0985\u09a8\u09c1\u09b0\u09c2\u09aa \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 (Corresponding points)\u0964 \u099a\u09bf\u09a4\u09cd\u09b0\u09c7 A \u0993 C \u0985\u09a5\u09ac\u09be B \u0993 D \u098f\u0995 \u098f\u0995\u099c\u09cb\u09a1\u09bc\u09be \u0985\u09a8\u09c1\u09b0\u09c2\u09aa \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0964<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u09ae\u09a8\u09c7 \u0995\u09b0\u09bf \u098f\u0995\u099f\u09bf \u098f\u0995\u09b0\u0999\u09cd\u0997\u09be \u09b8\u09ae\u09a4\u09b2 \u09a4\u09b0\u0999\u09cd\u0997\u09ae\u09c1\u0996 \u0985\u09b0\u09cd\u09a5\u09be\u09ce \u09b8\u09ae\u09be\u09a8\u09cd\u09a4\u09b0\u09be\u09b2 \u09b0\u09b6\u09cd\u09ae\u09bf\u0997\u09c1\u099a\u09cd\u099b \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f\u09b0 \u0993\u09aa\u09b0 \u0985\u09ad\u09bf\u09b2\u09b2\u09ae\u09cd\u09ac \u09ad\u09be\u09ac\u09c7 \u0986\u09aa\u09a4\u09bf\u09a4 \u09b9\u09b2\u09cb\u0964 \u09ac\u09c7\u09b6\u09bf\u09b0 \u09ad\u09be\u0997 \u09b0\u09b6\u09cd\u09ae\u09bf \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7 \u09b8\u09b0\u09be\u09b8\u09b0\u09bf \u09b8\u09cb\u099c\u09be \u09aa\u09a5\u09c7 \u09af\u09be\u09ac\u09c7 \u098f\u09ac\u0982 L \u0989\u09a4\u09cd\u09a4\u09b2 \u09b2\u09c7\u09a8\u09cd\u09b8 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u098f\u09b0 \u09ab\u09cb\u0995\u09be\u09b8 \u09a4\u09b2\u09c7 \u0985\u09ac\u09b8\u09cd\u09a5\u09bf\u09a4 <span class=\"katex-eq\" data-katex-display=\"false\">S_1 S_2 <\/span><\/span><span style=\"font-weight: 400;\">, \u09aa\u09b0\u09cd\u09a6\u09be\u09b0 O \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u098f\u0995\u09a4\u09cd\u09b0\u09bf\u09a4 \u09b9\u09ac\u09c7\u0964 \u09ab\u09b2\u09c7 O \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u099f\u09bf \u0996\u09c1\u09ac\u0987 \u0989\u099c\u09cd\u099c\u09cd\u09ac\u09b2 \u09a6\u09c7\u0996\u09be\u09ac\u09c7\u0964 \u098f\u0995\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0\u09c0\u09af\u09bc \u099a\u09b0\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 (Central maxima) \u09ac\u09b2\u09c7\u0964 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u098f\u0996\u09be\u09a8\u09c7 \u0985\u09a8\u09cd\u09af\u09be\u09a8\u09cd\u09af \u0986\u09b2\u09cb\u0995 \u09b0\u09b6\u09cd\u09ae\u09bf \u09aa\u09cd\u09b0\u09a4\u09bf\u099f\u09bf \u09b0\u09c7\u0996\u09be \u09ac\u09be \u09a6\u09be\u0997 \u0985\u09a4\u09bf\u0995\u09cd\u09b0\u09ae \u0995\u09b0\u09ac\u09be\u09b0 \u09b8\u09ae\u09af\u09bc \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b9\u09af\u09bc\u09c7 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09a6\u09bf\u0995\u09c7 \u0997\u09ae\u09a8 \u0995\u09b0\u09ac\u09c7\u0964 \u098f\u0987 \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b8\u09ae\u09be\u09a8\u09cd\u09a4\u09b0\u09be\u09b2 \u09b0\u09b6\u09cd\u09ae\u09bf\u09b8\u09ae\u09c2\u09b9 \u0989\u09a4\u09cd\u09a4\u09b2 \u09b2\u09c7\u09a8\u09cd\u09b8 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09c3\u09a4 \u09b9\u09af\u09bc\u09c7 \u09b2\u09c7\u09a8\u09cd\u09b8\u09c7\u09b0 \u09ab\u09cb\u0995\u09be\u09b8 \u09a4\u09b2\u09c7 \u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u09aa\u09b0\u09cd\u09a6\u09be\u09b0 P \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u098f\u0995\u09a4\u09cd\u09b0\u09bf\u09a4 \u09b9\u09ac\u09c7\u0964 \u0993\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09a4\u09c7 \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf\u09b8\u09ae\u09c2\u09b9 \u09af\u09c7 \u0997\u09a0\u09a8\u09ae\u09c2\u09b2\u0995 \u09ac\u09be \u09a7\u09cd\u09ac\u0982\u09b8\u09be\u09a4\u09cd\u09ae\u0995 \u09ac\u09cd\u09af\u09a4\u09bf\u099a\u09be\u09b0 \u09b8\u09c3\u09b7\u09cd\u099f\u09bf \u0995\u09b0\u09c7 \u09a4\u09be\u09b0 \u0993\u09aa\u09b0 \u0993\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u0989\u099c\u09cd\u099c\u09cd\u09ac\u09b2\u09a4\u09be \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0 \u0995\u09b0\u09c7\u0964 \u098f\u0996\u09a8 A \u09b9\u09a4\u09c7 \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b0\u09b6\u09cd\u09ae\u09bf\u09b8\u09ae\u09c2\u09b9\u09c7\u09b0 \u0993\u09aa\u09b0 AKMN \u09b2\u0995\u09cd\u09b7\u09cd\u09ae \u099f\u09be\u09a8\u09bf\u0964<\/span><\/p>\n<p><img loading=\"lazy\" class=\"wp-image-15049  aligncenter\" src=\"https:\/\/10minuteschool.com\/content\/wp-content\/uploads\/2022\/03\/image16-300x170.png\" alt=\"Grating\" width=\"484\" height=\"274\" srcset=\"https:\/\/10minuteschool.com\/content\/wp-content\/uploads\/2022\/03\/image16-300x170.png 300w, https:\/\/10minuteschool.com\/content\/wp-content\/uploads\/2022\/03\/image16.png 595w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">A \u0993 C \u09b9\u09a4\u09c7 \u09b0\u09b6\u09cd\u09ae\u09bf\u09a6\u09cd\u09ac\u09af\u09bc <\/span><span style=\"font-weight: 400;\"> \u0995\u09cb\u09a3\u09c7 \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b9\u09b2\u09c7 \u0986\u09b2\u09cb\u0995 \u09b0\u09b6\u09cd\u09ae\u09bf \u09a6\u09c1\u0987\u099f\u09bf\u09b0 \u09aa\u09a5-\u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af, <span class=\"katex-eq\" data-katex-display=\"false\">CM = AC \\sin\\theta = (a+b) \\sin\\theta <\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u098f\u0995\u0987\u09ad\u09be\u09ac\u09c7 B \u0993 D \u09a6\u09c1\u0987\u099f\u09bf \u0985\u09a8\u09c1\u09b0\u09c2\u09aa \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09b9\u09a4\u09c7 \u09b0\u09b6\u09bf\u09a6\u09cd\u09ac\u09af\u09bc <\/span><span style=\"font-weight: 400;\"> \u0995\u09cb\u09a3\u09c7 \u09ac\u09cd\u09af\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09b9\u0993\u09af\u09bc\u09be\u09af\u09bc \u0986\u09b2\u09cb\u0995 \u09b0\u09b6\u09cd\u09ae\u09bf \u09a6\u09c1\u0987\u099f\u09bf\u09b0 \u09aa\u09a5-\u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af,<\/span><\/p>\n<p><span style=\"font-weight: 400;\">= DN-BK<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">= <span class=\"katex-eq\" data-katex-display=\"false\">(a+b+a)\\sin\\theta - a \\sin\\theta <\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">= <span class=\"katex-eq\" data-katex-display=\"false\">(a+b) \\sin\\theta <\/span><\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u098f\u09b0\u09c2\u09aa\u09c7 \u09a6\u09c7\u0996\u09be\u09a8\u09cb \u09af\u09be\u09af\u09bc \u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7\u0987 \u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u09a6\u09c1\u0987\u099f\u09bf \u0985\u09a8\u09c1\u09b0\u09c2\u09aa \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09aa\u09a5-\u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af = <span class=\"katex-eq\" data-katex-display=\"false\">(a+b) \\sin\\theta <\/span>\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\therefore <\/span> P \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u099a\u09b0\u09ae \u09ac\u09be \u0989\u099c\u09cd\u099c\u09cd\u09ac\u09b2 \u09b9\u09b2\u09c7,<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><span class=\"katex-eq\" data-katex-display=\"false\">(a+b) \\sin\\theta = n\\lambda <\/span>\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u098f\u09ac\u0982 \u0985\u09ac\u09ae \u09ac\u09be \u0985\u09a8\u09cd\u09a7\u0995\u09be\u09b0 \u09b9\u09b2\u09c7,<\/span><\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">(a+b) \\sin \\theta=(2 n+1) \\frac{\\lambda}{2} <\/span>\n<p><span style=\"font-weight: 400;\">\u098f\u0996\u09be\u09a8\u09c7, <\/span><span style=\"font-weight: 400;\">n<\/span><span style=\"font-weight: 400;\"> = \u098f\u0995\u099f\u09bf \u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u0982\u0996\u09cd\u09af\u09be, \u098f\u09b0 \u09ae\u09be\u09a8 0, 1, 2, 3 \u0987\u09a4\u09cd\u09af\u09be\u09a6\u09bf \u0985\u09a5\u09ac\u09be \u2013 1, &#8211; 2, &#8211; 3 \u0987\u09a4\u09cd\u09af\u09be\u09a6\u09bf \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u0993 <span class=\"katex-eq\" data-katex-display=\"false\">\\lambda <\/span> <\/span><span style=\"font-weight: 400;\">= \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09a4\u09b0\u0999\u09cd\u0997\u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u0964<\/span><\/p>\n<p><span style=\"font-weight: 400;\">n<\/span><span style=\"font-weight: 400;\"> = 0 \u09b9\u09b2\u09c7 \u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0\u09c0\u09af\u09bc \u099a\u09b0\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7\u0964 \u098f\u0987 \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u0995\u09c7 \u09ae\u09c1\u0996\u09cd\u09af \u099a\u09b0\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 (Principal maxima) \u09ac\u09b2\u09c7\u0964<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">n<\/span><span style=\"font-weight: 400;\"> = 1 \u09ac\u09be \u2013 1 \u09ac\u09b8\u09be\u09b2\u09c7 \u09ae\u09c1\u0996\u09cd\u09af \u099a\u09b0\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09a6\u09c1\u0987 \u09aa\u09be\u09b0\u09cd\u09b6\u09cd\u09ac\u09c7 \u09aa\u09cd\u09b0\u09a5\u09ae \u0989\u099c\u09cd\u099c\u09cd\u09ac\u09b2 \u09b0\u09c7\u0996\u09be (first order maxima) \u09a6\u09c7\u0996\u09be \u09af\u09be\u09ac\u09c7\u0964 \u09aa\u09c1\u09a8\u0983 n = 2, \u09ac\u09be -2 \u09b9\u09b2\u09c7, \u09ae\u09c1\u0996\u09cd\u09af \u099a\u09b0\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09a6\u09c1\u0987 \u09aa\u09be\u09b0\u09cd\u09b6\u09cd\u09ac\u09c7 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u0989\u099c\u09cd\u099c\u09cd\u09ac\u09b2 \u09b0\u09c7\u0996\u09be (second order maxima) \u09a6\u09c7\u0996\u09be \u09af\u09be\u09ac\u09c7 \u0987\u09a4\u09cd\u09af\u09be\u09a6\u09bf\u0964 \u0985\u09a8\u09c1\u09b0\u09c2\u09aa\u09ad\u09be\u09ac\u09c7 \u0985\u09ac\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09b6\u09b0\u09cd\u09a4\u09c7 n = 0, 1, 2, 3 \u0987\u09a4\u09cd\u09af\u09be\u09a6\u09bf \u09ac\u09b8\u09be\u09b2\u09c7 \u09a4\u09be\u09a6\u09c7\u09b0 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09ac\u09c7\u0964 \u0989\u09b2\u09cd\u09b2\u09c7\u0996\u09cd\u09af \u09aa\u09cd\u09b0\u09a4\u09bf \u09a6\u09c1\u0987\u099f\u09bf \u099a\u09b0\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u098f\u0995\u099f\u09bf \u0985\u09ac\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09a5\u09be\u0995\u09c7\u0964 \u09ae\u09c1\u0996\u09cd\u09af \u099a\u09b0\u09ae \u09ac\u09be \u09ae\u09c1\u0996\u09cd\u09af \u0985\u09ac\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09ac\u09cd\u09af\u09a4\u09c0\u09a4 \u09af\u09c7\u09b8\u09ac \u099a\u09b0\u09ae \u09ac\u09be \u0985\u09ac\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09aa\u09be\u0993\u09af\u09bc\u09be \u09af\u09be\u09af\u09bc \u09a4\u09be\u09a6\u09c7\u09b0\u0995\u09c7 \u09af\u09a5\u09be\u0995\u09cd\u09b0\u09ae\u09c7 \u0997\u09cc\u09a3 \u099a\u09b0\u09ae \u09ac\u09be \u0997\u09cc\u09a3 \u0985\u09ac\u09ae \u09ac\u09bf\u09a8\u09cd\u09a6\u09c1 \u09ac\u09b2\u09c7\u0964<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982-\u098f\u09b0 \u09aa\u09cd\u09b0\u09a4\u09bf \u098f\u0995\u0995 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af\u09c7 <\/span><span style=\"font-weight: 400;\">N<\/span><span style=\"font-weight: 400;\"> \u09b8\u0982\u0996\u09cd\u09af\u0995 \u09b0\u09c7\u0996\u09be \u09a5\u09be\u0995\u09b2\u09c7,<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span class=\"katex-eq\" data-katex-display=\"false\">N(a+b) = 1 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u09ac\u09be, <span class=\"katex-eq\" data-katex-display=\"false\">N = \\frac{1}{a+b} <\/span><\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">\\therefore <\/span> \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 (7.26) \u09b9\u09a4\u09c7 \u09aa\u09be\u0987, <span class=\"katex-eq\" data-katex-display=\"false\">\\frac{1}{N} \\sin\\theta = n\\lambda <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u09ac\u09be, <span class=\"katex-eq\" data-katex-display=\"false\">\\lambda = \\frac{\\sin\\theta}{N.n} <\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u098f\u0996\u09a8, <\/span><span style=\"font-weight: 400;\">N<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">n<\/span><span style=\"font-weight: 400;\"> \u0993 <span class=\"katex-eq\" data-katex-display=\"false\">\\theta <\/span><\/span><span style=\"font-weight: 400;\">&#8211;<\/span><span style=\"font-weight: 400;\">\u098f\u09b0 \u09ae\u09be\u09a8 \u099c\u09c7\u09a8\u09c7 \u0986\u09b2\u09cb\u0995\u09c7\u09b0 \u09a4\u09b0\u0999\u09cd\u0997 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af <span class=\"katex-eq\" data-katex-display=\"false\">\\lambda <\/span><\/span><span style=\"font-weight: 400;\">&#8211;<\/span><span style=\"font-weight: 400;\">\u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09c7\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 (Diffraction Grating) \u0985\u09aa\u09ac\u09b0\u09cd\u09a4\u09a8 \u09b8\u09c3\u09b7\u09cd\u099f\u09bf \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u098f\u0995\u099f\u09bf \u09ac\u09bf\u09b6\u09c7\u09b7 \u09ac\u09cd\u09af\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u09a8\u09be\u09ae \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982(Grating) \u09ac\u09be \u099d\u09be\u0981\u099d\u09b0\u09bf\u0964 \u0985\u09a8\u09c7\u0995\u0997\u09c1\u09b2\u09cb \u09b8\u09ae\u09aa\u09cd\u09b0\u09b8\u09cd\u09a5\u09c7\u09b0 \u09b0\u09c7\u0996\u09be\u099b\u09bf\u09a6\u09cd\u09b0 \u09aa\u09be\u09b6\u09be\u09aa\u09be\u09b6\u09bf \u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09c7 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09ac\u09be \u099d\u09be\u099d\u09b0\u09bf \u0997\u09a0\u09a8 \u0995\u09b0\u09be \u09b9\u09af\u09bc\u0964 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 \u09aa\u09cd\u09b0\u09a7\u09be\u09a8\u09a4 \u09a6\u09c1\u0987 \u09aa\u09cd\u09b0\u0995\u09be\u09b0, \u09af\u09a5\u09be\u2014 \u09e7\u0964 \u09a8\u09bf\u0983\u09b8\u09b0\u09a3 \u09ac\u09be \u09a8\u09bf\u09b0\u09cd\u0997\u09ae\u09a8 \u0997\u09cd\u09b0\u09c7\u099f\u09bf\u0982 (Transmission grating) \u098f\u09ac\u0982<\/p>\n<p> <a class=\"redmore\" href=\"https:\/\/10minuteschool.com\/content\/diffraction-grating-of-light\/\">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":[3029,4251,50,51],"tags":[3146,3142,3144,3143,3145],"_links":{"self":[{"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/posts\/5157"}],"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=5157"}],"version-history":[{"count":8,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/posts\/5157\/revisions"}],"predecessor-version":[{"id":15050,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/posts\/5157\/revisions\/15050"}],"wp:attachment":[{"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/media?parent=5157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/categories?post=5157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/10minuteschool.com\/content\/wp-json\/wp\/v2\/tags?post=5157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}