PREFACE
The Department of Education in Science and Mathematics (DESM), National
Council of Educational Research and Training (NCERT),INDIA, initiated the development
of ‘Exemplar Problems’ in science and mathematics for secondary and higher
secondary stages after completing the preparation of textbooks based on National
Curriculum Framework – 2005.
The main objective of the book on ‘Exemplar Problems in Physics’ is to provide the
teachers and students a large number of quality problems with varying cognitive levels
to facilitate teaching-learning of concepts in physics that are presented through the
textbook for Class XI. It is envisaged that the problems included in this volume would
help the teachers to design tasks to assess effectiveness of their teaching and to know
about the achievement of their students besides facilitating preparation of balanced
question papers for unit and terminal tests. The feedback based on the analysis of
students’ responses may help the teachers in further improving the quality of classroom
instructions. In addition, the problems given in this book are also expected to help the
teachers to perceive the basic characteristics of good quality questions and motivate
them to frame similar questions on their own. Students can benefit themselves by
attempting the exercises given in the book for self assessment and also in mastering the
basic techniques of problem solving. Some of the questions given in the book are expected
to challenge the understanding of the concepts of physics of the students and their
ability to apply them in novel situations.
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