00346nam a2200109Ia 450000500170000000800410001708200180005810000140007624500980009026000380018830000100022620260205054810.0260111s9999||||xx |||||||||||||| ||und||  a530.76  N235U  aNayyar,NK 0aUnique Quintessence of Physics for U.P.S.C and State Civil Services (Preliminary) Examination  aNew DelhibUnique Publisherc2010  a746p.