{"id":6359,"date":"2026-03-31T03:42:42","date_gmt":"2026-03-31T03:42:42","guid":{"rendered":"https:\/\/hazarnotes.com\/?p=6359"},"modified":"2026-08-28T03:37:06","modified_gmt":"2026-08-28T03:37:06","slug":"class-9-physical-science-first-unit-test-question-with-answer-set-3","status":"publish","type":"post","link":"https:\/\/hazarnotes.com\/mystaging01\/class-9-physical-science-first-unit-test-question-with-answer-set-3\/","title":{"rendered":"\u09a8\u09ac\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e9 | Class 9 Physical Science First Unit Test Question with Answer Set-3 wbbse"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #800080;\"><strong>FIRST SUMMATIVE EVALUATION<br \/>\nCLASS 9 (IX) WBBSE<br \/>\nPHYSICAL SCIENCE QUESTION PAPER<\/strong><\/span><\/p>\n<h2 style=\"text-align: center;\"><span style=\"color: #ff0000;\">Set-3<\/span><\/h2>\n<p><strong>\u09a8\u09ac\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e9 | Class 9 Physical Science First Unit Test Question with Answer Set-3 wbbse<\/strong><\/p>\n<p><strong>\u2206 \u09aa\u09be\u09a0\u09cd\u09af\u09b8\u09c2\u099a\u09bf \/ Syllabus\u2013<br \/>\n1. \u09aa\u09b0\u09bf\u09ae\u09be\u09a3<br \/>\n2. \u09ac\u09b2 \u0993 \u0997\u09a4\u09bf<br \/>\n3. \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0997\u09a0\u09a8<\/strong><\/p>\n<p><strong>\ud83d\udccc\u09a8\u09ac\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-9-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n<p style=\"text-align: center;\"><strong>\u09ac\u09be\u09b9\u09be\u09a6\u09c1\u09b0\u09aa\u09c1\u09b0 \u09b9\u09be\u0987\u09b8\u09cd\u0995\u09c1\u09b2 (\u0989\u0983 \u09ae\u09be\u0983)<br \/>\n\u09aa\u09cd\u09b0\u09a5\u09ae \u09aa\u09b0\u09cd\u09af\u09be\u09df\u0995\u09cd\u09b0\u09ae\u09bf\u0995 \u09ae\u09c2\u09b2\u09cd\u09af\u09be\u09df\u09a8- \u09e8\u09e6\u09e8\u09e9<br \/>\n\u09a8\u09ac\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf<br \/>\n\u09ac\u09bf\u09b7\u09df &#8211; \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8<br \/>\n\u09b8\u09ae\u09df : \u09e7 \u0998\u09a3\u09cd\u099f\u09be \u09e9\u09e6 \u09ae\u09bf\u09a8\u09bf\u099f\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u09aa\u09c2\u09b0\u09cd\u09a3\u09ae\u09be\u09a8-\u09ea\u09e6<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">1. \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \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 \u09ac\u09b2\u09c7\u09b0 \u09ae\u09be\u09a4\u09cd\u09b0\u09c0\u09af\u09bc \u09b8\u0982\u0995\u09c7\u09a4 \u09b9\u09b2\u2014<br \/>\n(a) `MLT^{-1}` (b) `MLT^{-2}`<br \/>\n(c) `ML\u00b2T^{-1}` (d) `ML\u00b2T^{-2}`<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) MLT\u207b\u00b2<\/strong><\/p>\n<p>1.2 \u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a8\u099f\u09bf \u09b8\u09cd\u0995\u09c7\u09b2\u09be\u09b0 \u09b0\u09be\u09b6\u09bf\u2014<br \/>\n(a) \u09ac\u09b2 (b) \u09ad\u09b0\u09ac\u09c7\u0997 (c) \u09a4\u09cd\u09ac\u09b0\u09a3 (d) \u0995\u09be\u09b0\u09cd\u09af<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u0995\u09be\u09b0\u09cd\u09af<\/strong><\/p>\n<p>1.3. \u09a8\u09bf\u0989\u099f\u09a8\u09c7\u09b0 \u09a6\u09cd\u09ac\u09bf\u09a4\u09c0\u09af\u09bc \u0997\u09a4\u09bf\u09b8\u09c2\u09a4\u09cd\u09b0 \u09a5\u09c7\u0995\u09c7 \u099c\u09be\u09a8\u09be \u09af\u09be\u09af\u09bc\u2014<br \/>\n(a) \u09ac\u09b2\u09c7\u09b0 \u09b8\u0982\u099c\u09cd\u099e\u09be (b) \u09ac\u09b2\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ae\u09be\u09aa<br \/>\n(c) \u09ad\u09b0\u09ac\u09c7\u0997 (d) \u09b8\u09ac\u0997\u09c1\u09b2\u09bf\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u09b8\u09ac\u0997\u09c1\u09b2\u09bf\u0964<\/strong><\/p>\n<p>1.4. \u09b8\u09ae\u09ac\u09c7\u0997\u09c7 \u0997\u09a4\u09bf\u09b6\u09c0\u09b2 \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0\u2014<br \/>\n(a) \u09a4\u09cd\u09ac\u09b0\u09a3 \u09ac\u09be\u09a1\u09bc\u09a4\u09c7 \u09a5\u09be\u0995\u09c7<br \/>\n(b) \u09a4\u09cd\u09ac\u09b0\u09a3 \u0995\u09ae\u09a4\u09c7 \u09a5\u09be\u0995\u09c7<br \/>\n(c) \u09ae\u09b8\u09c3\u09a3 \u09a5\u09be\u0995\u09c7<br \/>\n(d) \u09a4\u09cd\u09ac\u09b0\u09a3 \u09a5\u09be\u0995\u09c7 \u09a8\u09be\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u09a4\u09cd\u09ac\u09b0\u09a3 \u09a5\u09be\u0995\u09c7 \u09a8\u09be<\/strong><\/p>\n<p>1.5. \u09a8\u09c0\u099a\u09c7\u09b0 \u0995\u09cb\u09a8\u099f\u09bf \u09b8\u09cd\u09a5\u09be\u09af\u09bc\u09c0 \u0995\u09a8\u09be \u09a8\u09af\u09bc\u2014<br \/>\n(a) \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 (b) \u09ae\u09c7\u09b8\u09a8 (c) \u09aa\u09cd\u09b0\u09cb\u099f\u09a8 (d) \u09a8\u09bf\u0989\u099f\u09cd\u09b0\u09a8\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (b) \u09ae\u09c7\u09b8\u09a8<\/strong><\/p>\n<p>1.6. \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8\u09c7\u09b0 \u0986\u09ac\u09a8\u09bf \u0995\u09a4\u2014<br \/>\n(a) 1.602\u00d7`10^{\u201319}`C<br \/>\n(b) \u22121.602\u00d7`10^{\u20132}`C<br \/>\n(c) 1.602 x `10^{\u201322}`C<br \/>\n(d) \u20131.602\u00d7`10^{\u201319}`C<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (d) \u22121.602 \u00d7 10\u207b\u00b9\u2079 C<\/strong><\/p>\n<p>1.7. S.T.P. \u09a4\u09c7 \u09ae\u09cb\u09b2 1 \u0997\u09cd\u09af\u09be\u09b8\u09c7\u09b0 \u0986\u09af\u09bc\u09a4\u09a8\u2014<br \/>\n(a) 22.3 \u09b2\u09bf\u099f\u09be\u09b0 (b) 22.1 \u09b2\u09bf\u099f\u09be\u09b0<br \/>\n(c) 22.4 \u09b2\u09bf\u099f\u09be\u09b0 (d) 22.8 \u09b2\u09bf\u099f\u09be\u09b0<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 (c) 22.4 \u09b2\u09bf\u099f\u09be\u09b0<\/strong><\/p>\n<p><strong><span style=\"color: #ff0000;\">2. \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993\u0964 (\u09af\u09c7-\u0995\u09cb\u09a8\u09cb \u09b8\u09be\u09a4\u099f\u09bf) : 1&#215;7=7<\/span><\/strong><\/p>\n<p>2.1 \u09ad\u09b0\u09ac\u09c7\u0997\u09c7\u09b0 \u09ae\u09be\u09a4\u09cd\u09b0\u09c0\u09af\u09bc \u09b8\u0982\u0995\u09c7\u09a4 \u09b2\u09c7\u0996\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> MLT\u207b\u00b9<\/p>\n<p>2.2 \u0995\u09cd\u09b7\u09ae\u09a4\u09be \u09b9\u09b2 \u098f\u0995\u099f\u09bf _________ \u09b0\u09be\u09b6\u09bf\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0995\u09cd\u09b7\u09ae\u09a4\u09be \u09b9\u09b2 \u098f\u0995\u099f\u09bf \u2192 \u09b8\u09cd\u0995\u09c7\u09b2\u09be\u09b0 \u09b0\u09be\u09b6\u09bf\u0964<\/p>\n<p>2.3 \u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09af\u09bc \u09ac\u09b2 \u0995\u09c0 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09af\u09bc\u09be\u09b8\u09c7\u09b0 \u09ad\u09bf\u09a4\u09b0\u09c7 \u09aa\u09cd\u09b0\u09cb\u099f\u09a8 \u0993 \u09a8\u09bf\u0989\u099f\u09cd\u09b0\u09a8\u0995\u09c7 \u098f\u0995\u09a4\u09cd\u09b0\u09c7 \u09a7\u09b0\u09c7 \u09b0\u09be\u0996\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09af\u09c7 \u09b6\u0995\u09cd\u09a4\u09bf\u09b6\u09be\u09b2\u09c0 \u0986\u0995\u09b0\u09cd\u09b7\u09a3 \u09ac\u09b2 \u0995\u09be\u099c \u0995\u09b0\u09c7 \u09a4\u09be\u0995\u09c7 \u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09af\u09bc \u09ac\u09b2 \u09ac\u09b2\u09c7\u0964<\/p>\n<p>2.4 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u09a5\u09bf\u09b0 \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ac\u09c7\u0997 \u0995\u09a4 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u098f\u0995\u099f\u09bf \u09b8\u09cd\u09a5\u09bf\u09b0 \u09ac\u09b8\u09cd\u09a4\u09c1\u09b0 \u09ac\u09c7\u0997 \u2192 0 (\u09b6\u09c2\u09a8\u09cd\u09af)<\/p>\n<p>2.5. 1 dyne \u09b8\u09ae\u09be\u09a8 ________N<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> 1 dyne = 10\u207b\u2075 N<\/p>\n<p>2.6. Mg \u098f\u09b0 \u09b6\u09c7\u09b7 \u0995\u0995\u09cd\u09b7\u09aa\u09a5\u09c7 \u0995\u099f\u09bf \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09a5\u09be\u0995\u09c7 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u2192 2\u099f\u09bf<\/p>\n<p>2.7. \u09ad\u09b0\u09b8\u0982\u0996\u09cd\u09af\u09be \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u098f\u0995\u099f\u09bf \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09a8\u09bf\u0989\u0995\u09cd\u09b2\u09bf\u09af\u09bc\u09be\u09b8\u09c7 \u0989\u09aa\u09b8\u09cd\u09a5\u09bf\u09a4 \u09aa\u09cd\u09b0\u09cb\u099f\u09a8 + \u09a8\u09bf\u0989\u099f\u09cd\u09b0\u09a8\u09c7\u09b0 \u09ae\u09cb\u099f \u09b8\u0982\u0996\u09cd\u09af\u09be\u0995\u09c7 \u09ad\u09b0\u09b8\u0982\u0996\u09cd\u09af\u09be \u09ac\u09b2\u09c7\u0964<\/p>\n<p>2.8. H\u2082SO\u2084 \u098f\u09b0 \u0986\u09a8\u09ac\u09bf\u0995 \u09ad\u09b0 \u0995\u09a4 ? (H \u098f\u09b0 \u09aa\u09be\u09b0\u09ae\u09be\u09a8\u09ac\u09bf\u0995 \u09ad\u09b0 1, S \u098f\u09b0 \u09aa\u09be\u09b0\u09ae\u09be\u09a8\u09ac\u09bf\u0995 \u09ad\u09b0 32, O \u098f\u09b0 \u09aa\u09be\u09b0\u09ae\u09be\u09a8\u09ac\u09bf\u0995 \u09ad\u09b0 16)\u0964<\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8 :<\/strong> H\u2082SO\u2084 \u098f\u09b0 \u0986\u09a8\u09ac\u09bf\u0995 \u09ad\u09b0 \u2192<\/p>\n<p>2&#215;1+32+4\u00d716 = 2+32+64 = 98<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 98<\/strong><\/p>\n<p>2.9. 96 \u0997\u09cd\u09b0\u09be\u09ae \u0985\u0995\u09cd\u09b8\u09bf\u099c\u09c7\u09a8\u09c7 \u0995\u09a4 \u09ae\u09cb\u09b2 O\u2082 \u0985\u09a3\u09c1 \u0986\u099b\u09c7\u0964<\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8 :<\/strong> 96 \u0997\u09cd\u09b0\u09be\u09ae O\u2082 \u098f \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be \u2192<\/p>\n<p>O\u2082 \u098f\u09b0 \u09ae\u09cb\u09b2\u09be\u09b0 \u09ad\u09b0 = 32 g<\/p>\n<p>96 \u00f7 32 = 3<\/p>\n<p>96\u00f732=3<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983 3 \u09ae\u09cb\u09b2<\/strong><\/p>\n<p><span style=\"color: #ff0000;\"><strong>3. \u09a8\u09bf\u09ae\u09cd\u09a8 \u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 (\u09af\u09c7-\u0995\u09cb\u09a8\u09cb \u09b8\u09be\u09a4\u099f\u09bf) : 2\u00d77=14<\/strong><\/span><\/p>\n<p>3.1 \u09ae\u09cc\u09b2\u09bf\u0995 \u0993 \u09b2\u09ac\u09cd\u09a7\u09bf \u098f\u0995\u0995 \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09af\u09c7\u09b8\u09ac \u098f\u0995\u0995 \u0985\u09a8\u09cd\u09af \u0995\u09cb\u09a8\u09cb \u098f\u0995\u0995\u09c7\u09b0 \u0989\u09aa\u09b0 \u09a8\u09bf\u09b0\u09cd\u09ad\u09b0\u09b6\u09c0\u09b2 \u09a8\u09af\u09bc, \u09a4\u09be\u09a6\u09c7\u09b0 \u09ae\u09cc\u09b2\u09bf\u0995 \u098f\u0995\u0995 \u09ac\u09b2\u09c7\u0964<br \/>\n\u0989\u09a6\u09be\u09b9\u09b0\u09a3: \u09ae\u09bf\u099f\u09be\u09b0, \u0995\u09bf\u09b2\u09cb\u0997\u09cd\u09b0\u09be\u09ae, \u09b8\u09c7\u0995\u09c7\u09a8\u09cd\u09a1<\/p>\n<p><strong>\u09b2\u09ac\u09cd\u09a7\u09bf \u098f\u0995\u0995<\/strong>: \u09af\u09c7\u09b8\u09ac \u098f\u0995\u0995 \u09ae\u09cc\u09b2\u09bf\u0995 \u098f\u0995\u0995\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af\u09c7 \u0997\u09a0\u09bf\u09a4 \u09b9\u09af\u09bc, \u09a4\u09be\u09a6\u09c7\u09b0 \u09b2\u09ac\u09cd\u09a7\u09bf \u098f\u0995\u0995 \u09ac\u09b2\u09c7\u0964<br \/>\n\u0989\u09a6\u09be\u09b9\u09b0\u09a3: \u09ac\u09b2 (\u09a8\u09bf\u0989\u099f\u09a8), \u0995\u09be\u099c (\u099c\u09c1\u09b2)<\/p>\n<p>3.2 \u09a4\u09c1\u09b2\u09be \u09af\u09a8\u09cd\u09a4\u09cd\u09b0\u09c7\u09b0 \u09b8\u09c1\u09ac\u09c7\u09a6\u09bf\u09a4\u09be \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 ?<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a4\u09c1\u09b2\u09be \u09af\u09a8\u09cd\u09a4\u09cd\u09b0\u09c7\u09b0 \u09b8\u09c1\u09ac\u09c7\u09a6\u09bf\u09a4\u09be \u09b9\u09b2\u2014 \u09af\u09a8\u09cd\u09a4\u09cd\u09b0\u099f\u09bf \u0995\u09cd\u09b7\u09c1\u09a6\u09cd\u09b0\u09a4\u09ae \u09ad\u09b0\u09c7\u09b0 \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af \u0995\u09a4\u099f\u09c1\u0995\u09c1 \u09a8\u09bf\u09b0\u09cd\u09a3\u09af\u09bc \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964<\/p>\n<p>3.3 5kg \u09ad\u09b0\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09ac\u09b8\u09cd\u09a4\u09c1 10 m\/s \u09ac\u09c7\u0997\u09c7 \u0997\u09a4\u09bf\u09b6\u09c0\u09b2\u0964 \u09ac\u09b8\u09cd\u09a4\u09c1\u099f\u09bf\u09b0 \u09ad\u09b0\u09ac\u09c7\u0997 \u0995\u09a4 ?<\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8 :<\/strong> \u09a6\u09c7\u0993\u09df\u09be \u0986\u099b\u09c7\u2014<\/p>\n<p>\u09ad\u09b0 m = 5 kg, \u09ac\u09c7\u0997 v = 10 m\/s<\/p>\n<p>\u09ad\u09b0\u09ac\u09c7\u0997 p = mv<\/p>\n<p>p = 5 \u00d7 10 = 50 kg.m\/s<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> 50 kg-m\/s<\/p>\n<p>3.4 \u09b0\u09c8\u0996\u09bf\u0995 \u09ad\u09b0\u09ac\u09c7\u0997\u09c7\u09b0 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a8 \u09b8\u09c2\u09a4\u09cd\u09b0\u099f\u09bf \u09b2\u09bf\u0996\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u0995\u09cb\u09a8\u09cb \u09ac\u09bf\u099a\u09cd\u099b\u09bf\u09a8\u09cd\u09a8 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae\u09c7 \u09ac\u09be\u09b9\u09cd\u09af\u09bf\u0995 \u09ac\u09b2 \u09a8\u09be \u09a5\u09be\u0995\u09b2\u09c7 \u09ae\u09cb\u099f \u09ad\u09b0\u09ac\u09c7\u0997 \u09b8\u09b0\u09cd\u09ac\u09a6\u09be \u0985\u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09a5\u09be\u0995\u09c7\u0964<\/p>\n<p>3.5 \u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u0993 \u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09ac\u09b2 \u09af\u09c1\u0997\u09aa\u09ce- \u09ac\u09cd\u09af\u09be\u0996\u09cd\u09af\u09be \u0995\u09b0\u09cb\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09a8\u09bf\u0989\u099f\u09a8\u09c7\u09b0 \u09a4\u09c3\u09a4\u09c0\u09af\u09bc \u09b8\u09c2\u09a4\u09cd\u09b0 \u0985\u09a8\u09c1\u09af\u09be\u09af\u09bc\u09c0\u2014<br \/>\n\u09aa\u09cd\u09b0\u09a4\u09cd\u09af\u09c7\u0995 \u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be\u09b0 \u09ac\u09bf\u09aa\u09b0\u09c0\u09a4\u09ae\u09c1\u0996\u09c0 \u0993 \u09b8\u09ae\u09be\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09aa\u09cd\u09b0\u09a4\u09bf\u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u09a5\u09be\u0995\u09c7\u0964<\/p>\n<p>\u098f\u0987 \u09a6\u09c1\u0987 \u09ac\u09b2\u2014 \u098f\u0995\u0987 \u09b8\u09ae\u09af\u09bc\u09c7 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09af\u09bc, \u09b8\u09ae\u09be\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0, \u09ac\u09bf\u09aa\u09b0\u09c0\u09a4 \u09a6\u09bf\u0995\u09c7 \u0995\u09cd\u09b0\u09bf\u09af\u09bc\u09be \u0995\u09b0\u09c7\u0964<\/p>\n<p>\u09a4\u09be\u0987 \u098f\u09a6\u09c7\u09b0 \u09af\u09c1\u0997\u09aa\u09ce (simultaneous) \u09ac\u09b2\u09be \u09b9\u09af\u09bc\u0964<\/p>\n<p>3.6. \u2082\u2080Ca \u098f\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8 \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> 20Ca \u098f\u09b0 \u0987\u09b2\u09c7\u0995\u099f\u09cd\u09b0\u09a8 \u09ac\u09bf\u09a8\u09cd\u09af\u09be\u09b8\u2014<\/p>\n<p>Orbital \u0985\u09a8\u09c1\u09af\u09be\u09df\u09c0: 1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2 3p\u2076 4s\u00b2<\/p>\n<p>Shell \u0985\u09a8\u09c1\u09af\u09be\u09df\u09c0: 2, 8, 8, 2<\/p>\n<p>3.7 \u0986\u0987\u09b8\u09cb\u09ac\u09be\u09b0 \u0995\u09be\u0995\u09c7 \u09ac\u09b2\u09c7 \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09b8\u09b9 \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> \u09af\u09c7\u09b8\u09ac \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u09ad\u09b0\u09b8\u0982\u0996\u09cd\u09af\u09be \u09b8\u09ae\u09be\u09a8 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09aa\u09be\u09b0\u09ae\u09be\u09a3\u09ac\u09bf\u0995 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09ad\u09bf\u09a8\u09cd\u09a8, \u09a4\u09be\u09a6\u09c7\u09b0 \u0986\u0987\u09b8\u09cb\u09ac\u09be\u09b0 \u09ac\u09b2\u09c7\u0964<\/p>\n<p>\u0989\u09a6\u09be\u09b9\u09b0\u09a3: Ar-40 \u098f\u09ac\u0982 Ca-40<\/p>\n<p>3.8. 1 \u09ae\u09cb\u09b2 NO \u0985\u09a8\u09c1 \u098f\u09ac\u0982 0.5 \u09ae\u09cb\u09b2 NO\u2082 \u0985\u09a8\u09c1\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0995\u09cb\u09a8\u099f\u09bf \u09ad\u09be\u09b0\u09c0\u0964<\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8 :<\/strong><\/p>\n<p>NO \u098f\u09b0 \u09ae\u09cb\u09b2\u09be\u09b0 \u09ad\u09b0 = 14 + 16 = 30g<\/p>\n<p>NO\u2082 \u098f\u09b0 \u09ae\u09cb\u09b2\u09be\u09b0 \u09ad\u09b0 = 14 + 32 = 46g<\/p>\n<p>\u098f\u0996\u09a8,<\/p>\n<p>1 \u09ae\u09cb\u09b2 NO = 30 g<\/p>\n<p>0.5 \u09ae\u09cb\u09b2 NO\u2082 = 0.5\u00d746 = 23g<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> 1 \u09ae\u09cb\u09b2 NO \u09ac\u09c7\u09b6\u09bf \u09ad\u09be\u09b0\u09c0<\/p>\n<p>3.9. 12.044\u00d710\u00b2\u00b3 \u09b8\u0982\u0996\u09cd\u09af\u0995 \u09b8\u09c7\u09a1\u09bf\u09af\u09bc\u09be\u09ae \u09aa\u09b0\u09ae\u09be\u09a8\u09c1\u09a4\u09c7 \u09ae\u09cb\u09b2 \u09b8\u0982\u0996\u09cd\u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a8\u09af\u09bc \u0995\u09b0\u09cb\u0964<\/p>\n<p><strong>\u09b8\u09ae\u09be\u09a7\u09be\u09a8 :<\/strong> \u09a6\u09c7\u0993\u09df\u09be \u0986\u099b\u09c7\u2013<\/p>\n<p>\u09b8\u0982\u0996\u09cd\u09af\u09be = 12.044 \u00d7 10\u00b2\u00b3<\/p>\n<p>\u0985\u09cd\u09af\u09be\u09ad\u09cb\u0997\u09be\u09a1\u09cd\u09b0\u09cb \u09b8\u0982\u0996\u09cd\u09af\u09be = 6.022 \u00d7 10\u00b2\u00b3<\/p>\n<p>\u09ae\u09cb\u09b2 = `frac(12.044\u00d710\u00b2\u00b3){6.022 \u00d7 10\u00b2\u00b3}` = 2<\/p>\n<p><strong>\u0989\u09a4\u09cd\u09a4\u09b0\u0983<\/strong> 2 \u09ae\u09cb\u09b2\u0964<\/p>\n<p><span style=\"color: #ff0000;\"><strong>4. \u09a8\u09bf\u09ae\u09cd\u09a8 \u09b2\u09bf\u0996\u09bf\u09a4 \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf\u09b0 \u0989\u09a4\u09cd\u09a4\u09b0 \u09a6\u09be\u0993 (\u09ac\u09bf\u0995\u09b2\u09cd\u09aa \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u0997\u09c1\u09b2\u09bf \u09b2\u0995\u09cd\u09b7\u09a8\u09c0\u09af\u09bc) : 3&#215;4=12<\/strong><\/span><\/p>\n<p>4.1 \u099a\u09b2\u09a8 \u0997\u09a4\u09bf \u0993 \u0998\u09c2\u09b0\u09cd\u09a8\u09a8 \u0997\u09a4\u09bf\u09b0 \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af \u09b2\u09c7\u0996\u0964 \u0985\u09a5\u09ac\u09be, \u09a6\u09cd\u09b0\u09c1\u09a4\u09bf \u0993 \u09ac\u09c7\u0997\u09c7\u09b0 \u09aa\u09be\u09b0\u09cd\u09a5\u0995\u09cd\u09af \u09b2\u09bf\u0996\u0964<\/p>\n<p>4.2 \u09aa\u09cd\u09b0\u09ae\u09be\u09a8 \u0995\u09b0 : s = ut +`frac(1){2}` = at\u00b2<\/p>\n<p>4.3 \u098f\u0995\u099f\u09bf \u09b8\u09cd\u0995\u09c1\u099f\u09be\u09b0 10 m\/s \u09ac\u09c7\u0997\u09c7 \u0997\u09a4\u09bf\u09b6\u09c0\u09b2\u0964 \u09ac\u09cd\u09b0\u09c7\u0995 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u0997 \u0995\u09b0\u09c7 \u09b8\u09cd\u0995\u09c1\u099f\u09be\u09b0\u099f\u09bf \u09a5\u09be\u09ae\u09be\u09a8\u09cb \u09b9\u09b2\u0964 \u098f\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u09b8\u09c3\u09b7\u09cd\u099f \u09ae\u09a8\u09cd\u09a6\u09a8\u09c7\u09b0 \u09ae\u09be\u09a8 0.5m\/s\u00b2\u0964 \u09b8\u09cd\u0995\u09c1\u099f\u09be\u09b0\u099f\u09bf \u09a5\u09be\u09ae\u09be\u09a8\u09cb\u09b0 \u0986\u0997\u09c7 \u0995\u09a4 \u09a6\u09c2\u09b0\u09a4\u09cd\u09ac \u0985\u09a4\u09bf\u0995\u09cd\u09b0\u09ae \u0995\u09b0\u09ac\u09c7\u0964<\/p>\n<p><span style=\"color: #800080;\"><strong>\u0985\u09a5\u09ac\u09be,<\/strong><\/span> \u09a8\u09bf\u0989\u099f\u09a8\u09c7\u09b0 \u09a4\u09c3\u09a4\u09c0\u09af\u09bc \u09b8\u09c2\u09a4\u09cd\u09b0 \u09a5\u09c7\u0995\u09c7 \u09b0\u0995\u09c7\u099f\u09c7\u09b0 \u0997\u09a4\u09bf \u09ac\u09cd\u09af\u09be\u0996\u09be \u0995\u09b0\u09cb\u0964<\/p>\n<p>4.4. \u09b0\u09be\u09a6\u09be\u09b0\u09ab\u09cb\u09b0\u09cd\u09a1\u09c7\u09b0 \u09aa\u09b0\u09ae\u09be\u09a8\u09c1 \u09ae\u09a1\u09c7\u09b2\u099f\u09bf \u09b2\u09c7\u0996\u09cb\u0964<\/p>\n<p><span style=\"color: #800080;\"><strong>\ud83d\udccc \u0986\u09b0\u09cb \u09a6\u09c7\u0996\u09cb\u0983<\/strong><\/span><\/p>\n<p><strong>\ud83d\udccc\u09a8\u09ac\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-9-question-papers-all-subject-wbbse\/\">Click Here<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>FIRST SUMMATIVE EVALUATION CLASS 9 (IX) WBBSE PHYSICAL SCIENCE QUESTION PAPER Set-3 \u09a8\u09ac\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e9 | Class 9 Physical Science First Unit Test Question with Answer Set-3 wbbse \u2206 \u09aa\u09be\u09a0\u09cd\u09af\u09b8\u09c2\u099a\u09bf \/ Syllabus\u2013 1. \u09aa\u09b0\u09bf\u09ae\u09be\u09a3 2. \u09ac\u09b2 \u0993 \u0997\u09a4\u09bf 3. \u09aa\u09b0\u09ae\u09be\u09a3\u09c1\u09b0 \u0997\u09a0\u09a8 \ud83d\udccc\u09a8\u09ac\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 \u09ac\u09be\u09b9\u09be\u09a6\u09c1\u09b0\u09aa\u09c1\u09b0 &#8230; <a title=\"\u09a8\u09ac\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e9 | Class 9 Physical Science First Unit Test Question with Answer Set-3 wbbse\" class=\"read-more\" href=\"https:\/\/hazarnotes.com\/mystaging01\/class-9-physical-science-first-unit-test-question-with-answer-set-3\/\" aria-label=\"Read more about \u09a8\u09ac\u09ae \u09b6\u09cd\u09b0\u09c7\u09a3\u09bf\u09b0 \u09ad\u09cc\u09a4 \u09ac\u09bf\u099c\u09cd\u099e\u09be\u09a8 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u099f \u099f\u09c7\u09b8\u09cd\u099f \u09aa\u09cd\u09b0\u09b6\u09cd\u09a8\u09aa\u09a4\u09cd\u09b0 \u09b8\u09c7\u099f-\u09e9 | Class 9 Physical Science First Unit Test Question with Answer Set-3 wbbse\">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":[122,103],"tags":[],"class_list":["post-6359","post","type-post","status-publish","format-standard","hentry","category-122","category-class-9"],"_links":{"self":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6359","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=6359"}],"version-history":[{"count":1,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6359\/revisions"}],"predecessor-version":[{"id":7591,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/posts\/6359\/revisions\/7591"}],"wp:attachment":[{"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/media?parent=6359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/categories?post=6359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hazarnotes.com\/mystaging01\/wp-json\/wp\/v2\/tags?post=6359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}