Q12 of 199 Page 185

Out of solids, liquids and gases :

(a) in which medium sound travels slowest?


(b) in which medium sound travels fastest?

(a) In gas sound travels slowest.


(b) In solids sound travels fastest.


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Which of the following is the speed of sound in copper and which in aluminium?

(a) 5100 m/s (b) 1500 m/s


(c) 3750 m/s

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