00522nam a22001937a 4500 117652 117651 OSt 20260706113105.0 220627b ||||| |||| 00| 0 eng d 9780070151550 539 BEI Beiser,Arthur 545 Concepts of modern physics by Arthur Beiser and Shobhit Mahajan etal... 6 NewDelhi Mcgrawhill 2015 542 Time dilation Mass & energy Choudhari,S Rai 1498 ddc BK