00000nam a2200000 a 4500 20251203111640.0 8183571867 351.076 53 UNI Nayyar N.K Ed. Unique quintessence of physics for U.P.S.C/ state civil services and other competitive exam New Delhi Unique Publishers 2010 746 p. 24 cm . PB Civil services Examination Physics _ 164594 R 133471 133471 0 0 0 1 PU PU 2010-10-04 396.00 0 351.076 53 UNI 164594 R