1.

{:("Medium",,"Speed of sound" (ms^(-1))),((i)"Copper",-,(a)343),((ii)"Water",-,(b)331),((iii)"Air"(0^(@)c),-,(b)5010),((iv)"Air"(at20^(@)c),-,(d)1493):}

Answer»

Solution :(i) © 5010 (ii) (d) 1493 (III) (b) 331 (iv) (a) 343


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