00269nam a2200109Ia 4500008004100000020001800041082001400059100001000073245004100083260002700124300000800151190710s9999    xx            000 0 und d  a81-7450-964-2  a530 N213E  aNCERT 0aExemplar problems : physics class XI  aNew DelhibNCERTc2009  a209