00600nam a2200181 a 4500 20200218033025.0 170616s19uu xx 00 eng d 9788172454173 Thakur, Atul Physics projects / Atul Thakur, Preeti Thakur. New Delhi, India : Goodwill Publishing, c2012. 101 p. : ill. ; 26 cm. Goodwill's 44 challenging Includes index Physics Experiments Physics projects OLOPSC 69890 69890 0 0 0 0 HSLRC HSLRC CIR 2020-02-18 0 QC 33 T364 2012 HS12104 2025-05-23 00:00:00 2020-02-18 BK