{"id":2452,"date":"2025-07-29T01:55:26","date_gmt":"2025-07-29T01:55:26","guid":{"rendered":"https:\/\/hazarnotes.com\/?p=2452"},"modified":"2026-08-02T09:06:30","modified_gmt":"2026-08-02T09:06:30","slug":"class-10-physical-science-2nd-unit-test-question-paper-set-2-wbbse","status":"publish","type":"post","link":"https:\/\/hazarnotes.com\/mystaging01\/class-10-physical-science-2nd-unit-test-question-paper-set-2-wbbse\/","title":{"rendered":"Class 10 Physical Science 2nd Unit Test Question Paper wbbse Set-2 | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>SECOND SUMMATIVE EVALUATION<\/strong><\/span><br \/>\n<span style=\"color: #800080;\"><strong>CLASS 10 (X) WBBSE <\/strong><\/span><br \/>\n<span style=\"color: #800080;\"><strong>PHYSICAL SCIENCE QUESTION PAPER<\/strong><\/span><\/p>\n<p><strong>Class 10 Physical Science 2nd Unit Test Question Paper Set-2 wbbse | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8<\/strong><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 <span style=\"color: #ff0000;\"> \u09b8\u09ae\u09b8\u09cd\u09a4 \u09ac\u09bf\u09b7\u09af\u09bc <\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/madhyamik-question-papers-all-subject-west-bengal-board\/\">Click Here<\/a><\/strong><\/p>\n<h2 style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>Set-2<\/strong><\/span><\/h2>\n<h3 style=\"text-align: center;\">\u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u09aa\u09b0\u09cd\u09af\u09be\u09af\u09bc\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09af\u09bc\u09a8<br \/>\n\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf<br \/>\n\u09ac\u09bf\u09b7\u09af\u09bc : \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8<br \/>\n\u09b8\u09ae\u09af\u09bc : \u09e7 \u0998\u09a3\u09cd\u099f\u09be \u09e9\u09e6 \u09ae\u09bf\u09a8\u09bf\u099f\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u09aa\u09c2\u09b0\u09cd\u09a3\u09ae\u09be\u09a8 : \u09ea\u09e6<\/h3>\n<p style=\"text-align: center;\"><strong>\u09ac\u09bf\u09ad\u09be\u0997 \u2013 \u2018\u0995\u2019<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">1. \u09ac\u09b9\u09c1\u09ac\u09bf\u0995\u09b2\u09cd\u09aa \u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 (\u09b8\u09a0\u09bf\u0995 \u0989\u09a4\u09cd\u09a4\u09b0\u099f\u09bf \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09cb) [1&#215;7=7]<\/span><\/strong><\/p>\n<p>1.1 \u09a6\u09c1\u099f\u09bf \u0986\u09a7\u09be\u09a8\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac \u09a6\u09cd\u09ac\u09bf\u0997\u09c1\u09a3 \u09b9\u09b2\u09c7 \u0986\u0995\u09b0\u09cd\u09b7\u09a3 \u09ac\u09be \u09ac\u09bf\u0995\u09b0\u09cd\u09b7\u09a3 \u09ac\u09b2 \u09b9\u09ac\u09c7\u2014<br \/>\n(a) \u09a6\u09cd\u09ac\u09bf\u0997\u09c1\u09a3 (b) \u0985\u09b0\u09cd\u09a7\u09c7\u0995 (c) \u099a\u09be\u09b0\u0997\u09c1\u09a3 (d) \u098f\u0995-\u099a\u09a4\u09c1\u09b0\u09cd\u09a5\u09be\u0982\u09b6\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u098f\u0995-\u099a\u09a4\u09c1\u09b0\u09cd\u09a5\u09be\u0982\u09b6\u0964<\/strong><\/p>\n<p>1.2 \u0993\u09b9\u09ae-\u09b8\u09c7\u09ae\u09bf \u09af\u09c7 \u09b0\u09be\u09b6\u09bf\u099f\u09bf\u09b0 \u098f\u0995\u0995 \u09b8\u09c7\u099f\u09bf \u09b9\u09b2\u2014<br \/>\n(a) \u09b0\u09cb\u09a7 (b) \u09b0\u09cb\u09a7\u09be\u0999\u09cd\u0995 (c) \u09ac\u09bf\u09ad\u09ac \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af<br \/>\n(d) \u09a4\u09a1\u09bc\u09bf\u09ce \u09aa\u09cd\u09b0\u09ac\u09be\u09b9\u09ae\u09be\u09a4\u09cd\u09b0\u09be\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) \u09b0\u09cb\u09a7\u09be\u0999\u09cd\u0995\u0964<\/strong><\/p>\n<p>1.3 \u09af\u09c7 \u09aa\u09cd\u09b0\u0995\u09be\u09b0 \u09a4\u09c7\u099c\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u09ac\u09bf\u0995\u09bf\u09b0\u09a3\u09c7\u09b0 \u09ab\u09b2\u09c7 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09ae\u09cc\u09b2 \u09a4\u09be\u09b0 \u0986\u09a6\u09bf \u09ae\u09cc\u09b2\u09c7\u09b0 \u0986\u0987\u09b8\u09cb\u09ac\u09be\u09b0<br \/>\n\u09b9\u09ac\u09c7, \u09a4\u09be\u09b0 \u09b9\u09b2 \u2014<br \/>\n(a) \u03b1-\u0995\u09a3\u09be (b) \u03b2-\u0995\u09a3\u09be (c) \u09aa\u099c\u09bf\u099f\u09cd\u09b0\u09a8 \u0995\u09a3\u09be<br \/>\n(d) \u09ae\u09c7\u09b8\u09a8 \u0995\u09a3\u09be<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u09ae\u09c7\u09b8\u09a8 \u0995\u09a3\u09be\u0964<\/strong><\/p>\n<p>1.4 \u0995\u09cb\u09a8\u09cd \u09a4\u09c7\u099c\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09af\u09bc \u09b0\u09b6\u09cd\u09ae\u09bf \u09a4\u09a1\u09bc\u09bf\u09ce\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09ac\u09bf\u099a\u09cd\u09af\u09c1\u09a4 \u09b9\u09af\u09bc \u09a8\u09be\u2014<br \/>\n(a) \u03b1-\u09b0\u09b6\u09cd\u09ae\u09bf (b) \u03b2-\u09b0\u09b6\u09cd\u09ae\u09bf (c) y-\u09b0\u09b6\u09cd\u09ae\u09bf<br \/>\n(d) \u0995\u09cb\u09a8\u09cb\u099f\u09bf\u0987 \u09a8\u09af\u09bc\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) \u03b1-\u09b0\u09b6\u09cd\u09ae\u09bf\u0964<\/strong><\/p>\n<p>1.5 \u0997\u09b2\u09bf\u09a4 NaCl-\u098f\u09b0 \u09a4\u09a1\u09bc\u09bf\u09ce\u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3\u09c7 \u0985\u09cd\u09af\u09be\u09a8\u09a1\u09c7 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc\u2014<br \/>\n(a) Na\u207a (b) Na \u09a7\u09be\u09a4\u09c1 (c) CI\u207b \u0986\u09af\u09bc\u09a8 (d) Cl\u2082 \u0997\u09cd\u09af\u09be\u09b8\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (a) Na\u207a<\/strong><\/p>\n<p>1.6 \u09a8\u09c7\u09b8\u09b2\u09be\u09b0 \u09ac\u09bf\u0995\u09be\u09b0\u0995\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u0995\u09cb\u09a8\u09cb \u0997\u09cd\u09af\u09be\u09b8\u0995\u09c7 \u09b6\u09a8\u09be\u0995\u09cd\u09a4 \u0995\u09b0\u09be \u09b9\u09af\u09bc ?<br \/>\n(a) H\u2082S\u00a0 \u00a0(b) N\u2082\u00a0 \u00a0(c) NH\u2083\u00a0 \u00a0(d) HCI<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) NH\u2083<\/strong><\/p>\n<p>1.7 \u099c\u09be\u09b0\u09cd\u09ae\u09be\u09a8 \u09b8\u09bf\u09b2\u09ad\u09be\u09b0\u09c7 \u0995\u09cb\u09a8\u09cd \u09a7\u09be\u09a4\u09c1\u099f\u09bf \u09a5\u09be\u0995\u09c7 \u09a8\u09be ?<br \/>\n(a) \u09a4\u09be\u09ae\u09be (b) \u09a6\u09b8\u09cd\u09a4 (c) \u09a8\u09bf\u0995\u09c7\u09b2 (d) \u09b8\u09bf\u09b2\u09ad\u09be\u09b0\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u09b8\u09bf\u09b2\u09ad\u09be\u09b0\u0964<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>\u09ac\u09bf\u09ad\u09be\u0997 \u2013 \u2018\u0996\u2019<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">2. \u0985\u09a4\u09bf \u09b8\u0982\u0995\u09cd\u09b7\u09bf\u09aa\u09cd\u09a4 \u0989\u09a4\u09cd\u09a4\u09b0\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 : (\u09ac\u09bf\u0995\u09b2\u09cd\u09aa \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf \u09b2\u0995\u09cd\u09b7\u09a3\u09c0\u09af\u09bc) [1&#215;9=9]<\/span><\/strong><\/p>\n<p>2.1 \u09a4\u09a1\u09bc\u09bf\u09ce \u09aa\u09cd\u09b0\u09ac\u09be\u09b9\u09ae\u09be\u09a4\u09cd\u09b0\u09be\u09b0 CGS \u098f\u0995\u0995 \u0995\u09c0 ?<\/p>\n<p>2.2 \u09b6\u09c2\u09a8\u09cd\u09af\u09b8\u09cd\u09a5\u09be\u09a8 \u09aa\u09c2\u09b0\u09a3 \u0995\u09b0\u09cb\u0983 \u09b0\u09cb\u09a7\u09be\u0999\u09cd\u0995\u09c7\u09b0 \u0985\u09a8\u09cb\u09a8\u09cd\u09af\u0995\u0995\u09c7 \u09ac\u09b2\u09be \u09b9\u09af\u09bc _____________.<\/p>\n<p>2.3 \u0989\u09b2\u09ab\u09cd\u09f0\u09c7\u09ae\u09be\u0987\u099f \u0995\u09c0 ?<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span><\/p>\n<p>\u0986\u09a8\u09cd\u09a4\u09b0\u09cd\u099c\u09be\u09a4\u09bf\u0995 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u0985\u09a8\u09c1\u09af\u09be\u09af\u09bc\u09c0 \u09b2\u09be\u0987\u09ad \u09a4\u09be\u09b0\u09c7\u09b0 \u09b0\u0982 \u0995\u09c0?<\/p>\n<p>2.4 \u09b8\u09c2\u09b0\u09cd\u09af \u0993 \u09a8\u0995\u09cd\u09b7\u09a4\u09cd\u09b0\u0997\u09c1\u09b2\u09bf\u09b0 \u09b6\u0995\u09cd\u09a4\u09bf \u0995\u09cb\u09a8\u09cd \u09aa\u09cd\u09b0\u0995\u09be\u09b0 \u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09af\u09bc \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09ab\u09b2\u09c7 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc ?<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span><\/p>\n<p>\u09a8\u09bf\u099a\u09c7\u09b0 \u09ac\u09bf\u09ac\u09c3\u09a4\u09bf\u099f\u09bf \u09b8\u09a4\u09cd\u09af \u09a8\u09be \u09ae\u09bf\u09a5\u09cd\u09af\u09be \u09b2\u09c7\u0996:<br \/>\nY \u09b0\u09b6\u09cd\u09ae\u09bf \u09a8\u09bf\u09b0\u09cd\u0997\u09ae\u09a3\u09c7\u09b0 \u09ab\u09b2\u09c7 \u0995\u09cb\u09a8\u09cb \u09a8\u09a4\u09c1\u09a8 \u09ae\u09cc\u09b2 \u09b8\u09c3\u09b7\u09cd\u099f\u09bf \u09b9\u09af\u09bc \u09a8\u09be\u0964<\/p>\n<p><span style=\"color: #ff0000;\"><strong>2.5 \u09ac\u09be\u09ae \u09b8\u09cd\u09a4\u09ae\u09cd\u09ad\u09c7\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09a1\u09be\u09a8\u09b8\u09cd\u09a4\u09ae\u09cd\u09ad \u09ae\u09c7\u09b2\u09be\u0993 :<\/strong><\/span><\/p>\n<table class=\"myTable\">\n<tbody>\n<tr>\n<td width=\"70%\"><b> \u09ac\u09be\u09ae &#8216;\u09b8\u09cd\u09a4\u09ae\u09cd\u09ad&#8217; <\/b><\/td>\n<td width=\"30%\"><b> \u09a1\u09be\u09a8 &#8216;\u09b8\u09cd\u09a4\u09ae\u09cd\u09ad&#8217; <\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">2.5.1 \u09a5\u09be\u09b0\u09cd\u09ae\u09bf\u099f \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7 \u09a8\u09bf\u09b7\u09cd\u0995\u09be\u09b6\u09bf\u09a4 \u09b9\u09af\u09bc<\/td>\n<td style=\"text-align: left;\">(i) \u099c\u09bf\u0999\u09cd\u0995<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">2.5.2 \u0995\u09be\u09b0\u09cd\u09ac\u09a8 \u09ac\u09bf\u099c\u09be\u09b0\u09a3 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7<\/td>\n<td style=\"text-align: left;\">(ii) \u09b2\u09cb\u09b9\u09be<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">2.5.3 \u0985\u09cd\u09af\u09be\u09ae\u09cb\u09a8\u09bf\u09af\u09bc\u09be\u09b0 \u099c\u09b2\u09c0\u09af\u09bc \u09a6\u09cd\u09b0\u09ac\u09a3 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09b8\u09a8\u09be\u0995\u09cd\u09a4 \u0995\u09b0\u09be \u09b9\u09af\u09bc<\/td>\n<td style=\"text-align: left;\">(iii) \u09a4\u09be\u09ae\u09be<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>2.6 \u0993\u09b2\u09bf\u09af\u09bc\u09be\u09ae\u09c7\u09b0 \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09a8\u09be\u09ae \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p style=\"text-align: center;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/p>\n<p>H\u2082S \u0997\u09cd\u09af\u09be\u09b8\u0995\u09c7 \u09b0\u09be\u09b8\u09be\u09af\u09bc\u09a8\u09bf\u0995 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09b8\u09a8\u09be\u0995\u09cd\u09a4 \u0995\u09b0\u09a4\u09c7 \u0995\u09c0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09ac\u09c7?<\/p>\n<p>2.7 \u09a4\u09a1\u09bc\u09bf\u09ce \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u0995\u09cb\u09a8\u09cd \u09aa\u09cd\u09b0\u0995\u09be\u09b0 \u09a4\u09a1\u09bc\u09bf\u09ce \u09aa\u09cd\u09b0\u09ac\u09be\u09b9 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09af\u09bc ?<\/p>\n<p style=\"text-align: center;\"><strong>\u09ac\u09bf\u09ad\u09be\u0997 \u2013 \u2018\u0997\u2019<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">3. \u09b8\u0982\u0995\u09cd\u09b7\u09bf\u09aa\u09cd\u09a4 \u0989\u09a4\u09cd\u09a4\u09b0\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 : (\u09ac\u09bf\u0995\u09b2\u09cd\u09aa \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf \u09b2\u0995\u09cd\u09b7\u09a3\u09c0\u09af\u09bc) [2&#215;3 = 6]<\/span><\/strong><\/p>\n<p>3.1 \u09a4\u09a1\u09bc\u09bf\u09ce\u099a\u09be\u09b2\u0995 \u09ac\u09b2 \u0993 \u09ac\u09bf\u09ad\u09ac \u09aa\u09cd\u09b0\u09ad\u09c7\u09a6\u09c7\u09b0 \u09a6\u09c1\u099f\u09bf \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span><\/p>\n<p>\u09ab\u09cd\u09b2\u09c7\u09ae\u09bf\u0982 \u098f\u09b0 \u09ac\u09be\u09ae\u09b9\u09b8\u09cd\u09a4 \u09a8\u09bf\u09af\u09bc\u09ae\u099f\u09bf \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p>3.2 \u099c\u09b2\u09c7\u09b0 \u09a4\u09a1\u09bc\u09bf\u09a6\u09cd \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3\u09c7 \u0995\u09cd\u09af\u09be\u09a5\u09cb\u09a1 \u098f\u09ac\u0982 \u0985\u09cd\u09af\u09be\u09a8\u09cb\u09a1\u09c7 \u09b8\u0982\u0998\u099f\u09bf\u09a4 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u0997\u09c1\u09b2\u09bf \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p>3.3 \u0995\u09cb\u09b2\u09cd\u09a1 \u09b8\u09cd\u099f\u09cb\u09b0\u09c7\u099c \u09a5\u09c7\u0995\u09c7 \u09a6\u09c1\u09b0\u09cd\u0998\u099f\u09a8\u09be\u099c\u09a8\u09bf\u09a4 \u0995\u09be\u09b0\u09a3\u09c7 \u0985\u09cd\u09af\u09be\u09ae\u09cb\u09a8\u09bf\u09af\u09bc\u09be \u0997\u09cd\u09af\u09be\u09b8 \u09a8\u09bf\u09b0\u09cd\u0997\u09a4 \u09b9\u09b2\u09c7 \u0995\u09c0 \u0995\u09c0 \u09b8\u09a4\u09b0\u09cd\u0995\u09a4\u09be \u09a8\u09c7\u0993\u09af\u09bc\u09be \u0989\u099a\u09bf\u09a4 ?<\/p>\n<p style=\"text-align: center;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/p>\n<p>\u0985\u09cd\u09af\u09be\u09ae\u09cb\u09a8\u09bf\u09af\u09bc\u09be \u0997\u09cd\u09af\u09be\u09b8 P\u2082O\u2085 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09b6\u09c1\u09b7\u09cd\u0995 \u09a8\u09be \u0995\u09b0\u09c7 \u09aa\u09cb\u09a1\u09bc\u09be \u099a\u09c1\u09a8 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09b6\u09c1\u09b7\u09cd\u0995 \u0995\u09b0\u09be \u09b9\u09af\u09bc \u0995\u09c7\u09a8 ?<\/p>\n<p style=\"text-align: center;\"><strong>\u09ac\u09bf\u09ad\u09be\u0997 \u2013 \u2018\u0998\u2019<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">4. \u09a6\u09c0\u09b0\u09cd\u0998 \u0989\u09a4\u09cd\u09a4\u09b0\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8 (\u09ac\u09bf\u0995\u09b2\u09cd\u09aa \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf \u09b2\u0995\u09cd\u09b7\u09a3\u09c0\u09af\u09bc) [3\u00d76=18]<\/span><\/strong><\/p>\n<p>4.1 \u0995\u09cb\u09a8\u09cb \u09aa\u09b0\u09bf\u09ac\u09be\u09b9\u09c0 \u09a4\u09be\u09b0\u09c7\u09b0 \u09b0\u09cb\u09a7 \u09a4\u09be\u09b0\u09c7\u09b0 \u09a6\u09c8\u09b0\u09cd\u0998\u09cd\u09af \u0993 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a5\u099a\u09cd\u099b\u09c7\u09a6\u09c7\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09ab\u09b2\u09c7\u09b0 \u0993\u09aa\u09b0 \u0995\u09c0\u09ad\u09be\u09ac\u09c7 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0 \u0995\u09b0\u09c7 ? \u098f\u09a6\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995 \u09a5\u09c7\u0995\u09c7 \u09b0\u09cb\u09a7\u09be\u0999\u09cd\u0995\u09c7\u09b0 \u09b8\u0982\u099c\u09cd\u099e\u09be \u09b2\u09c7\u0996\u09cb\u0964 [2+1]<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span><\/p>\n<p>\u09ac\u09be\u09b0\u09cd\u09b2\u09cb\u099a\u0995\u09cd\u09b0\u09c7\u09b0 \u0998\u09c2\u09b0\u09cd\u09a3\u09a8 \u09ac\u09c3\u09a6\u09cd\u09a7\u09bf \u0995\u09b0\u09be\u09b0 \u09a6\u09c1\u099f\u09bf \u0989\u09aa\u09be\u09af\u09bc \u0989\u09b2\u09cd\u09b2\u09c7\u0996 \u0995\u09b0\u09cb\u0964 \u09ac\u09be\u09b0\u09cd\u09b2\u09cb\u099a\u0995\u09cd\u09b0\u09c7\u09b0 \u0998\u09c2\u09b0\u09cd\u09a3\u09a8 \u0995\u09cb\u09a8\u09cd \u09a8\u09bf\u09af\u09bc\u09ae \u0985\u09a8\u09c1\u09af\u09be\u09af\u09bc\u09c0 \u09b9\u09af\u09bc ? [2+1]<\/p>\n<p>4.2 \u098f\u0995\u099f\u09bf \u09ac\u09be\u09a1\u09bc\u09bf\u09a4\u09c7 5\u099f\u09bf 60W \u09ac\u09be\u09b2\u09cd\u09ac, 4\u099f\u09bf 40 W \u09ac\u09be\u09b2\u09cd\u09ac \u098f\u09ac\u0982 4\u099f\u09bf 120W \u09ac\u09c8\u09a6\u09cd\u09af\u09c1\u09a4\u09bf\u0995 \u09aa\u09be\u0996\u09be \u0986\u099b\u09c7\u0964 \u09aa\u09be\u0996\u09be\u0997\u09c1\u09b2\u09bf \u09a6\u09bf\u09a8\u09c7 10 \u0998\u09a3\u09cd\u099f\u09be \u098f\u09ac\u0982 \u09ac\u09be\u09b2\u09cd\u09ac\u0997\u09c1\u09b2\u09bf \u09a6\u09bf\u09a8\u09c7 6 \u0998\u09a3\u09cd\u099f\u09be \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09af\u09bc\u0964 \u0987\u0989\u09a8\u09bf\u099f \u09aa\u09bf\u099b\u09c1 6.50 \u099f\u09be\u0995\u09be \u09ae\u09c2\u09b2\u09cd\u09af\u09c7 30 \u09a6\u09bf\u09a8\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09ae\u09be\u09b8\u09c7 \u0993\u0987 \u09ac\u09be\u09a1\u09bc\u09bf\u09b0 \u09ac\u09bf\u09a6\u09cd\u09af\u09c1\u09ce \u09b6\u0995\u09cd\u09a4\u09bf\u09b0 \u0996\u09b0\u099a \u0995\u09a4 \u099f\u09be\u0995\u09be \u09b9\u09ac\u09c7 ?<\/p>\n<p>4.3. (a) \u03b1 -\u09b0\u09b6\u09cd\u09ae\u09bf, \u03b2 -\u09b0\u09b6\u09cd\u09ae\u09bf \u0993 y -\u09b0\u09b6\u09cd\u09ae\u09bf\u09b0 \u0986\u09a7\u09be\u09a8 \u0993 \u09ad\u09c7\u09a6\u09a8 \u0995\u09cd\u09b7\u09ae\u09a4\u09be\u09b0 \u09a4\u09c1\u09b2\u09a8\u09be \u0995\u09b0\u09cb\u0964<\/p>\n<p>(b) \u09a8\u09c0\u099a\u09c7\u09b0 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u099f\u09bf \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u0995\u09b0\u09cb\u0983 [2+1]<br \/>\n`{}_{92}^{238}U\\rightarrow_{90}^{234}` Th + ? (\u09ac\u09bf.\u09a6\u09cd\u09b0: \u09ac\u09be\u09ae \u09a6\u09bf\u0995\u09c7\u09b0 \u09e9\u09af\u09bc \u09ac\u09a8\u09cd\u09a7\u09a8\u09c0 \u09b9\u09ac\u09c7 \u09a8\u09be)<\/p>\n<p>4.4 \u09a4\u09a1\u09bc\u09bf\u09ce\u09b2\u09c7\u09aa\u09a8 \u0995\u09c0 ? \u098f\u0995\u099f\u09bf \u09b2\u09cb\u09b9\u09be\u09b0 \u099a\u09be\u09ae\u099a\u09c7 \u09a8\u09bf\u0995\u09c7\u09b2\u09c7\u09b0 \u09aa\u09cd\u09b0\u09b2\u09c7\u09aa \u09a6\u09bf\u09a4\u09c7 \u09b9\u09b2\u09c7 \u0995\u09cd\u09af\u09be\u09a5\u09cb\u09a1, \u0985\u09cd\u09af\u09be\u09a8\u09cb\u09a1 \u098f\u09ac\u0982 \u09a4\u09a1\u09bc\u09bf\u09ce \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09cd\u09af \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09b0\u09c2\u09aa\u09c7 \u0995\u09c0 \u0995\u09c0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09ac\u09c7 ? [1+2]<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span><\/p>\n<p>(a) \u0995\u09aa\u09be\u09b0 \u09a4\u09a1\u09bc\u09bf\u09a6\u09cd\u09a6\u09cd\u09ac\u09be\u09b0\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u0995\u09aa\u09be\u09b0 \u09b8\u09be\u09b2\u09ab\u09c7\u099f \u09a6\u09cd\u09b0\u09ac\u09a3\u09c7\u09b0 \u09a4\u09a1\u09bc\u09bf\u09a6\u09cd \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3\u09c7 \u0995\u09cd\u09af\u09be\u09a5\u09cb\u09a1\u09c7 \u09b0\u0995\u09cd\u09b7\u09bf\u09a4 \u0995\u09aa\u09be\u09b0\u09c7\u09b0 \u0993\u099c\u09a8 \u09ac\u09be\u09a1\u09bc\u09c7 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u0985\u09cd\u09af\u09be\u09a8\u09cb\u09a1\u09c7 \u09b0\u0995\u09cd\u09b7\u09bf\u09a4 \u0995\u09aa\u09be\u09b0\u09c7\u09b0 \u0993\u099c\u09a8 \u09b9\u09cd\u09b0\u09be\u09b8 \u09aa\u09be\u09af\u09bc \u2014\u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be \u0995\u09b0\u09cb\u0964<\/p>\n<p>(b) \u09a6\u09c8\u09a8\u09a8\u09cd\u09a6\u09bf\u09a8 \u099c\u09c0\u09ac\u09a8\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u098f\u0995\u099f\u09bf \u09a4\u09a1\u09bc\u09bf\u09ce \u0985\u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09cd\u09af \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09c7\u09b0 \u09a8\u09be\u09ae \u09b2\u09c7\u0996\u09cb\u0964 [2+1]<\/p>\n<p>4.5 \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be\u0997\u09be\u09b0\u09c7 \u09b9\u09be\u0987\u09a1\u09cd\u09b0\u09cb\u099c\u09c7\u09a8 \u09b8\u09be\u09b2\u09ab\u09be\u0987\u09a1 \u0997\u09cd\u09af\u09be\u09b8 \u09aa\u09cd\u09b0\u09b8\u09cd\u09a4\u09c1\u09a4\u09bf\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09ac\u09bf\u09b7\u09af\u09bc\u0997\u09c1\u09b2\u09bf \u0989\u09b2\u09cd\u09b2\u09c7\u0996 \u0995\u09b0\u09cb\u0983 [3]<br \/>\n\u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09b6\u09b0\u09cd\u09a4, \u09b8\u09ae\u09bf\u09a4 \u09b8\u09ae\u09c0\u0995\u09b0\u09a3 \u0993 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u09b8\u0982\u0997\u09cd\u09b0\u09b9\u0964<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span><\/p>\n<p>(a) \u0995\u09c0\u09ad\u09be\u09ac\u09c7 \u09aa\u09cd\u09b0\u09ae\u09be\u09a3 \u0995\u09b0\u09ac\u09c7 \u0985\u09cd\u09af\u09be\u09ae\u09cb\u09a8\u09bf\u09af\u09bc\u09be \u098f\u0995\u099f\u09bf \u09ac\u09bf\u099c\u09be\u09b0\u0995 \u0997\u09cd\u09af\u09be\u09b8 ? (b) \u09a8\u09be\u0987\u099f\u09cd\u09b0\u09cb\u09b2\u09bf\u09ae \u0995\u09c0 ? [2+1]<\/p>\n<p>4.6 \u0985\u09cd\u09af\u09be\u09b2\u09c1\u09ae\u09bf\u09a8\u09be \u09a5\u09c7\u0995\u09c7 \u09a4\u09a1\u09bc\u09bf\u09a6\u09cd \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09a3 \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09a4\u09c7 \u0985\u09cd\u09af\u09be\u09b2\u09c1\u09ae\u09bf\u09a8\u09bf\u09af\u09bc\u09be\u09ae \u09a8\u09bf\u09b7\u09cd\u0995\u09be\u09b6\u09a8\u09c7 \u09a4\u09a1\u09bc\u09bf\u09a6\u09cd \u09ac\u09bf\u09b6\u09cd\u09b2\u09c7\u09b7\u09cd\u09af \u09aa\u09a6\u09be\u09b0\u09cd\u09a5\u09b0\u09c2\u09aa\u09c7 \u0995\u09c0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09af\u09bc ? \u098f\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u0995\u09cd\u09af\u09be\u09a5\u09cb\u09a1 \u0993 \u0985\u09cd\u09af\u09be\u09a8\u09cb\u09a1\u09c7 \u09b8\u0982\u0998\u099f\u09bf\u09a4 \u09ac\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u0997\u09c1\u09b2\u09bf \u09b2\u09c7\u0996\u09cb\u0964 [1+2]<\/p>\n<p><span style=\"color: #800080;\"><strong>\ud83d\udccc \u0986\u09b0\u09cb \u09a6\u09c7\u0996\u09c1\u09a8\u0983<\/strong><\/span><\/p>\n<p><strong>\ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf <span style=\"color: #ff0000;\">\u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f<\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/class-10-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p><strong>\ud83d\udccc \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 <span style=\"color: #ff0000;\"> \u09b8\u09ae\u09b8\u09cd\u09a4 \u09ac\u09bf\u09b7\u09af\u09bc <\/span> \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 <a href=\"http:\/\/hazarnotes.com\/mystaging01\/madhyamik-question-papers-all-subject-west-bengal-board\/\">Click Here<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SECOND SUMMATIVE EVALUATION CLASS 10 (X) WBBSE PHYSICAL SCIENCE QUESTION PAPER Class 10 Physical Science 2nd Unit Test Question Paper Set-2 wbbse | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8 \ud83d\udccc\u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 Click Here \ud83d\udccc \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09bf\u0995 \u09b8\u09ae\u09b8\u09cd\u09a4 \u09ac\u09bf\u09b7\u09af\u09bc \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 Click Here Set-2 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u09aa\u09b0\u09cd\u09af\u09be\u09af\u09bc\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09af\u09bc\u09a8 \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf \u09ac\u09bf\u09b7\u09af\u09bc : \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09b8\u09ae\u09af\u09bc &#8230; <a title=\"Class 10 Physical Science 2nd Unit Test Question Paper wbbse Set-2 | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8\" class=\"read-more\" href=\"https:\/\/hazarnotes.com\/mystaging01\/class-10-physical-science-2nd-unit-test-question-paper-set-2-wbbse\/\" aria-label=\"Read more about Class 10 Physical Science 2nd Unit Test Question Paper wbbse Set-2 | \u09a6\u09b6\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4\u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e8\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-2452","post","type-post","status-publish","format-standard","hentry","category-121"],"_links":{"self":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/2452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/comments?post=2452"}],"version-history":[{"count":0,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/2452\/revisions"}],"wp:attachment":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/media?parent=2452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/categories?post=2452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/tags?post=2452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}