000 00445nam a2200157Ia 4500
999 _c2509
_d2509
005 20230216115419.0
008 190923s9999||||xx |||||||||||||| ||eng||
041 _aeng
082 _a530.1 NAT-P
110 _aNational Council of Educational Research and Training
245 0 _aPhysics/
_cNational Council of Educational Research and Training
260 _aNew Delhi:
_bNCERT,
_c1962
300 _aviii, 656p.
650 _aPhysics
942 _cBK