00318nam a2200121 a 450000500170000008200170001710000170003410000140005124500510006526000260011630000200014263000340016220251202164125.0  a530.076bHAR  aHariharan, S  aGoel, M.K  aPhysics:bobjective type questions and answers  aDelhibSterlingc1985  a191p, 22cm.bHB  aQuestions and answers-Physics