00000nam a2200000 a 4500 20251203110635.0 8170145104 530 SEH Sehgal, N.K. Practical Physics For Class XI 3rd ed New Delhi Sultan Chand & Sons., 1998 352p. 24 cm. PB Physics-Practical for XI class Chopra, K.L. Sehgal, D.L. _ 113799 LIBSC C 97318 97318 0 0 0 0 PU PU 2005-08-03 80.00 0 530 SEH 113799 BK