00340nam a2200133 a 450000500170000002000150001708200180003210000180005024500350006826000330010330000390013670000170017570000140019220251203110737.0  a8122501125  a530.0724bPRA  aPrakash, Indu  aText Book of Practical Physics  aAllahabadbKitab Mahalc2004  axxiv,545p.-1042p.exxivc24 cm. PB  aKrishna, Ram  aJha, A.K.