00345nam a2200109Ia 4500008004000000082001700040100002400057245004900081260004900130300001300179650004300192210210b1984   xxu||||| |||| 00| 0 eng d  a530.028 BHAU  aBHATTACHARYA (C K).  aUniversity practical physics with viva-voce.  aDelhibC B S publishers & distributorsc1984  aiii,2.13  aUniversity practical physics viva voce