38 At what temprature the velocity of sound in air is 1 5 times the velocity at 7 C - Physics - Alternating Current

Question

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

Siva Sekhar B R · Accepted Answer

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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

$38 . A t w h a t t e m p r a t u r e t h e v e l o c i t y o f s o u n d i n a i r i s 1.5 t i m e s t h e v e l o c i t y a t 7 ° C ? (a) 357 ° C (b) 476 ° C (c) 588 ° C (d) 819 ° C$