38 . A t w h a t t e m p r a t u r e t h e v e l o c i t y o f s o u n d i n a i r i s 1 . 5 t i m e s t h e v e l o c i t y a t 7 ° C ? a 357 ° C b 476 ° C c 588 ° C d 819 ° C Share with your friends Share 0 Siva Sekhar B R answered this Please find this answer 1 View Full Answer