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Open Text - Based Assessment Summative Examination-II March 2014[2015]

Open Text Based Assessment (OTBA), SA II, Class IX & XI, 2014 Class- IX Social Science Main 1 & 2 (Class–IX) English Main 1 & 2 (Class–IX) Hindi Main 1 & 2 (Class–IX) Mathematics Main 1 & 2 (Class–IX) Science Main 1 & 2 (Class–IX) Class- XI Geography Main 1 & 2 (Class–XI) Biology Main 1 & 2 (Class–XI) Economics Main 1 & 2 (Class-XI) Courtesy :  Library, KV No.1, Madurai

DAV Public School Samastipur Bihar

DA.V Public School Samastipur is a co-educational school which was established in the year 2002. The school is affiliated to CBSE Board. The school boosts of a well experienced and competent group of educators for each subject of study, state of the art modern facilities and also various activities and student related services. The school has managed to reach and attain standards of excellence because of its constant commitment to education. Particularly the school has also tried to improve educational facilities and tried to meet the new demand of education in a simple yet effective and excellent manner.   Principal Name:- Mr. R. Roy Director Name:- Dr. Jayant V. Kulkarni Classes From:- L.K.G Classes To:- 12 Contact:- davsprbro46@gmail.com, Samastipur, Samastipur, Bihar, 848101 Affiliation Board:- CBSE Contact Number:- 06274-226267 Address:- DAV Public School, Harpur, ailoth Samastipur - 848101 State:- Bihar District Name:- Samastipur Place:- Samastipur Zi

Solved paper for UGC NET [Download free]

Dear Professionals UGC NET Solved Paper I, II, III available on  http://www.netugc.com/ UGC NET Paper I: Solved §   UGC NET Syllabus for Paper I §   2010 June UGC NET Previous Years Solved Paper I §   2011 June UGC NET Previous Years Solved Paper I §   2012 June UGC NET Previous Years Solved Paper I §   2012 December UGC NET Previous Years Solved Paper I §   2013 June UGC NET Previous Years Solved Paper I §   2013 September UGC NET Previous Years Solved Paper I §   UGC NET Paper II: Solved §   UGC NET Syllabus for Paper II §   2004 June UGC NET Previous Years Solved Paper II §   2005 June UGC NET Previous Years Solved Paper II §   2006 June UGC NET Previous Years Solved Paper II §   2006 December UGC NET Previous Years Solved Paper II §   2007 June UGC NET Previo

IX Atomic Structure CBSE Board Solved Questions

Q. Write two differences between isobars and isotopes. Ans:  Isobars           (i) Isobars have the same mass number but different atomic numbers (ii) Isobars have different  chemical properties Isotopes Isotopes have the same atomic number but different mass numbers. Isotopes have similar chemical properties. Q. Why do isotopes shows similar chemical properties. Ans: Due to same number of  electron  in valance shell Q. How Rutherford concluded that the center part of any atom not empty? Ans: When Rutherford experimented with  alpha particles , then he realized that few particles bounced back directly. Rutherford’s result lead him to believe that most of the foil was made of empty space, but had  extremely  small, dense lumps of matter inside, which is present only at the center because from center, few particles bounced back. All other particles deflected at different angles. So Rutherford concluded that the center part of any atom is nucleus not