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option A is right.
hope it helps
because when air becomes warm it's density and volume changes therefore their is change in velocity of sound.
hope it helps
because when air becomes warm it's density and volume changes therefore their is change in velocity of sound.
wwwyuvrajthapa222:
Didi can u explain me u r answer
ha
One question
Question Mai ye puch raha hai na ki kya pariwartan se wayu Mai sound ki speed Mai improvement nahi hota hai. Is it I am right
Wayu dab Kya hota hai ager es ka mean vacuum hai than I think answer b right hai Na
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(B) is the right answer
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