Singh, Devraj Numerical problems in physics Optics, waves and oscillations,electromagnetic field theroy,solid state physics and modern physics - Narosa Publishing House 2015 - 556 06-Dec-2016 NARHO/2016/CRB/1478 ISBN: 978-81-8467-447-1 505 Subjects--Topical Terms: PHYSICS Dewey Class. No.: 530 / SIN.1