00642nam a2200181 a 450000500170000000800410001702000180005804000240007610000250010024500460012526000620017130000220023350000200025565000200027594200120029599900170030795201360032420231129073244.0111214s19uu    xx            00    eng d  a9788183565059  6HSLRCaHSLRCcHSLRC10aYadav, Poonam94421210aUnderstanding physics /cby Poonam Yadav.0 aNew Delhi :bDiscovery Publishing House PVT. LTD,cc2010.  a282pages. ; 20 cm  aIncludes index.  aPhysics.944213  2lcccBK  c66855d66855  00102lcc4070aHSLRCbHSLRCcCIRd2020-02-04g1476.00l3oQC 23 Y33 2010pHS9704r2025-09-08 00:00:00s2024-03-18w2020-02-04yBK