please give the correct and fast it's urgent answer of this question according to the mentioned marks
unnecessary answers will be deleted at the spot mind it
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please give the correct and fast it's urgent answer of this question according to the mentioned marks
unnecessary answers will be deleted at the spot mind it
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ans i] because there is no medium and since sound is a mechanical wave it needs a medium to travel so that is why speed of sound is 0 in C.
ans ii] solid- as the molecules of solid are closer, sound travels faster
ans iii] B could be air
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